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Commit 5722a69

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jshell例子
1 parent 5be3312 commit 5722a69

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int x=1
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x++
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System.out.println(x)
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/!
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/list
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/2
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/list
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/-2
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int session = 1
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int session = 5
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/save jshell_save.jshell
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/save -all jshell_save_all.jshell
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/save -history jshell_save_history.jshell
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/save -start jshell_save_start.jshell
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/vars
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/reset
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/vars
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/list
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/open jshell_save.jshell
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/list
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/vars
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/set feedback verbose
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int x;
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/set feedback silent
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int y;
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/set feedback concise
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int z;
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/set feedback normal
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int normal;
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/set start jshell_save.jshell
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/vars
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/reset
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/vars

‎chapter1/jshell/jshell_save.jshell

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int session = 5;

‎chapter1/jshell/jshell_save_all.jshell

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import java.io.*;
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import java.math.*;
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import java.net.*;
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import java.nio.file.*;
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import java.util.*;
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import java.util.concurrent.*;
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import java.util.function.*;
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import java.util.prefs.*;
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import java.util.regex.*;
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import java.util.stream.*;
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int session = 1;
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int session = 5;
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/help intro
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233 + 666
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System.getProperty("java.version")
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System.out.println(1ドル)
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int add(int x, int y) {
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return x + y;
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}
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add(233, 666)
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/methods
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/save part1.jshell
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/methods
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/m
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/reset
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/open part1.jshell
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/m
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/list
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/save -all part2.jshell
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/m
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/save -all part2.jshell
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/save -history part3.jshell
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/save -start part4.jshell
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/env
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/help env
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/env
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/env -class-path ~/classes
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mkdir classes
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ls
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/env -class-path ~/jshell/classpath1
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/env
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/env -class-path ~/jshell/modulepath1
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/env
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/env -class-path ~/jshell/modulepath1 -module-path ~/jshell/classpath1
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/env
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/help env
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/help set
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/set
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int add(int a,int b){return a+b;}
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int add(int a,int b){return a+b+b;}
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add(1,1)
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int x=5
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int x=6
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x
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/reset
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/help intro
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233 + 666
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System.getProperty("java.version")
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System.out.println(1ドル)
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int add(int x, int y) {
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return x + y;
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}
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add(233, 666)
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/methods
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int x
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double y = 2.33
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static int z = 1
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/vars
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/drop x
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x
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/vars
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class People {
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private final String name;
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public People(final String name) {
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this.name = name;
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}
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public void showName() {
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System.out.println(this.name);
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}
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}
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People people = new People("DockerX");
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people.showName()
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class People {
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private final String name;
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public People(final String name) {
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this.name = name;
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}
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public String showName() {
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System.out.println(this.name);
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return this.name;
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}
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}
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people.showName();
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People people = new People("Java9");
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people.showName().length();
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/types
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/list/help intro
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233 + 666
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System.getProperty("java.version")
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System.out.println(1ドル)
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int add(int x, int y) {
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return x + y;
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}
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add(233, 666)
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/methods
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int x
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double y = 2.33
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static int z = 1
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/vars
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/drop x
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x
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/vars
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class People {
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private final String name;
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public People(final String name) {
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this.name = name;
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}
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public void showName() {
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System.out.println(this.name);
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}
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}
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People people = new People("DockerX");
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people.showName()
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class People {
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private final String name;
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public People(final String name) {
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this.name = name;
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}
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public String showName() {
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System.out.println(this.name);
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return this.name;
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}
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}
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people.showName();
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People people = new People("Java9");
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people.showName().length();
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/types
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/reset
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Instant.now()
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import java.time.*
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Instant.now()
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/imports
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/list
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/list 2
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/drop 1
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Instant.now()
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int x=1
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x++
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/reset
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int x=1
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x++
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System.out.println(x)
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System.out.println(x)
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/list
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x++
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/list
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System.out.println(x)
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/reset
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int session = 5
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/reset
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int session = 1
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int session = 5
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/reset
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int session = 1
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int session = 5
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/save jshell_save.jshll
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/save -all jshell_save.jshll
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/save -history jshell_save.jshll
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/reset
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int session = 1
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int session = 5
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/save jshell_save.jshll
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/save -all jshell_save_all.jshll
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/save -history jshell_save_history.jshll
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import java.io.*;
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import java.math.*;
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import java.net.*;
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import java.nio.file.*;
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import java.util.*;
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import java.util.concurrent.*;
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import java.util.function.*;
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import java.util.prefs.*;
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import java.util.regex.*;
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import java.util.stream.*;

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