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Commit 23d44f1

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Codes of Module 9 added
1 parent 96412d5 commit 23d44f1

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3 files changed

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3 files changed

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‎Module 9/Ex1.java

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/*
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* To change this license header, choose License Headers in Project Properties.
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* To change this template file, choose Tools | Templates
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* and open the template in the editor.
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*/
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/**
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*
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* @author chandrikadeb
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*/
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import java.util.*;
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import java.util.stream.*;
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public class Ex1
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{
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public static void main(String[] args)
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{
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Stream<String> names = Stream.of("aBc", "d", "ef");
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System.out.println(names.map(s -> { return s.toUpperCase(); }).collect(Collectors.toList()));
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}
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}

‎Module 9/Ex2.java

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/*
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* To change this license header, choose License Headers in Project Properties.
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* To change this template file, choose Tools | Templates
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* and open the template in the editor.
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*/
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/**
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*
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* @author chandrikadeb
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*/
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import java.util.*;
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public class Ex2 {
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public static void main(String args[]) {
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System.out.println("Empty String Program: ");
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// Count empty strings
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List<String> strings = Arrays.asList("abc", "", "bc", "efg", "abcd","", "jkl");
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System.out.println("List: " +strings);
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long count = getCountEmptyString(strings);
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System.out.println("Empty Strings: " + count);
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//Eliminate empty string
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List<String> filtered = deleteEmptyStrings(strings);
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System.out.println("Filtered List: " + filtered);
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//Eliminate empty string and join using comma.
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String mergedString = getMergedString(strings,", ");
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System.out.println("Merged String: " + mergedString);
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}
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private static int getCountEmptyString(List<String> strings) {
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int count = 0;
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for(String string: strings) {
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if(string.isEmpty()) {
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count++;
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}
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}
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return count;
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}
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private static List<String> deleteEmptyStrings(List<String> strings) {
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List<String> filteredList = new ArrayList<String>();
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for(String string: strings) {
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if(!string.isEmpty()) {
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filteredList.add(string);
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}
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}
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return filteredList;
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}
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private static String getMergedString(List<String> strings, String separator) {
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StringBuilder stringBuilder = new StringBuilder();
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for(String string: strings) {
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if(!string.isEmpty()) {
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stringBuilder.append(string);
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stringBuilder.append(separator);
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}
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}
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String mergedString = stringBuilder.toString();
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return mergedString.substring(0, mergedString.length()-2);
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}
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}
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‎Module 9/Ex3.java

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/*
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* To change this license header, choose License Headers in Project Properties.
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* To change this template file, choose Tools | Templates
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* and open the template in the editor.
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*/
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/**
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*
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* @author chandrikadeb
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*/
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import java.util.*;
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public class Ex3
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{
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public static void main(String[] args)
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{
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System.out.println("Finding letter 'A' Program: ");
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List<String> members=Arrays.asList("Abish", "Bhargavi", "Alex", "Max", "Annie");
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System.out.println("List: " +members);
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int count = getCount(members);
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System.out.println("Strings starting with 'A': " +count);
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}
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private static int getCount(List<String> members)
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{
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int count = 0;
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for(String string: members) {
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if(string.charAt(0)=='A') {
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count++;
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}
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}
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return count;
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}
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}

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