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Commit 58b1b38

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rtomarrtomar
rtomar
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rtomar
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String Class Examples
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package com.rt.string;
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import java.util.StringTokenizer;
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import com.rt.cloning.Employee;
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public class forStrings {
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/**
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* @param args
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*/
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public static void main(String[] args) {
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char ch[]={'h','e','l','l','o'};
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System.out.println(ch);
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String str=new String(ch);
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System.out.println(str);
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System.out.println(str.equals(ch));
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String s1="Example of being immutable";
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String s2="Example of being immutable";//
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System.out.println("Checking s1 & s2 "+(s1==s2));
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String s3=new String("Example of being immutable");//
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System.out.println("checking s1 & s3 "+(s1==s3));
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System.out.println("Checking s1 & s2"+s1.equals(s2)+"\nchecking s1 & s3"+s1.equals(s3));
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System.out.println(s1.compareTo(s2));
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System.out.println(s1.compareTo(s3));
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s3=s3.intern();
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System.out.println("checking s1 & s3 "+(s1==s3));
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String s41="abc";
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String s51="abc";
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String s61="abcdef";
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System.out.println(s41==s51);//true
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String s71=new String("abc");
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s71=s71+"def";
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System.out.println(s71);//abcdef
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System.out.println(s61);//abcdef
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// s71=s71.intern();
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System.out.println(s61==s71);//false
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//s51.concat("def");System.out.println("hghgj"+s51);
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StringBuffer tt=new StringBuffer("abc");
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tt.append("defssss");
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System.out.println(tt);
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//String s1="Example of being immutable";
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System.out.println(s1.charAt(2));
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System.out.println(s1.length());
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System.out.println(s1.format("Hey there %d and %d results in %d", 2,3,5));
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System.out.println(s1.substring(4));
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System.out.println(s1.substring(4, 9));
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System.out.println(s2.substring(0, 1));//start index end index
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System.out.println(s1.contains("bein"));
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System.out.println(s1.isEmpty());
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String s4="Hi this is";
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String s5="CCVT at UPES";
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String s6=s4+s5;// String s6=(new StringBuilder()).append(s4).append(s5).toString();
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System.out.println(s6);
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s4.concat(s5);//being immutable
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System.out.println(s4);
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s4=s4.concat(s5);
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System.out.println(s4);
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s1.replace('o', 'q');
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System.out.println(s1);
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s1=s1.replace("being", "not");
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System.out.println(s1);
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String s7=" after 5 space";
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System.out.println(s7);
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System.out.println(s7.trim());
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System.out.println(s1.toLowerCase());
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System.out.println(s1.toUpperCase());
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System.out.println(s1.startsWith("Ex"));
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System.out.println(s1.endsWith("le"));
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int a=10;
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String s8=String.valueOf(a);
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System.out.println(s8+12);
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////******************STRING BUFFER
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/*
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*/
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System.out.println("****************STRING BUFFER NOW***************");
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StringBuffer sf1=new StringBuffer();//can be passed with int or string
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//sf1.append("aaaaaaaaaaaaaaaaa");
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System.out.println(sf1.capacity()+""+sf1);
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sf1.append("few string to append");
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System.out.println(sf1);
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sf1.insert(0, "see more appended ");
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System.out.println(sf1);
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sf1.replace(0, 8, "deleted");
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System.out.println(sf1);
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sf1.delete(0, 7);
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System.out.println(sf1);
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sf1.reverse();
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System.out.println(sf1);
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// sf1.ensureCapacity(50);
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System.out.println(sf1.capacity());
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StringBuilder sb1=new StringBuilder();//can be passed with int or string
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sb1.reverse();
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System.out.println(sb1.capacity()+""+sb1);
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sb1.append("few string to append");
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System.out.println(sb1);
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sb1.insert(0, "see more appended ");
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System.out.println(sb1);
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sb1.replace(0, 8, "deleted");
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System.out.println(sb1);
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sb1.delete(0, 7);
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System.out.println(sb1);
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sb1.reverse();
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System.out.println(sb1);
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// sb1.ensureCapacity(500);
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System.out.println(sb1.capacity());
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// toString method tgo be explained
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String s9="This, string, will, be, tokenized";
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StringTokenizer stk=new StringTokenizer(s9,"s");
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while(stk.hasMoreTokens())
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{
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System.out.println(stk.nextToken());
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}
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String s10[]=s9.split(",");
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System.out.println(s10.length);
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System.out.println(s10[0]+" XX"+s10[1]+" XX"+s10[2]);
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// TODO Auto-generated method stub
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}
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}

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