String string1 = "foo bar";
String string2 = "foo bar";

// java string compare example
if (string1.compareTo(string2) == 0)
{
  // this line WILL print
  System.out.println("The two strings are the same.")
}

String string1 = "foo";
String string2 = "FOO";

// java string compare while ignoring case
if (string1.equalsIgnoreCase(string2))
{
  // this line WILL print
  System.out.println("Ignoring case, the two strings are the same.")
}

if (string1.equals(string2))

String string1 = "foo";
String string2 = "FOO";

if (string1.equals(string2))
{
  // this line will not print because the
  // java string equals method returns false:
  System.out.println("The two strings are the same.")
}

String string1 = "foo";
String string2 = "foo";

// test for equality with the java string equals method
if (string1.equals(string2))
{
  // this line WILL print
  System.out.println("The two strings are the same.")
}

import java.lang.*;
import java.io.*;

public class CompString{
  public static void main(String[] args) throws IOException{
  System.out.println("String equals or not example!");
  BufferedReader bf = 
new BufferedReader(new InputStreamReader(System.in));
  System.out.println("Please enter first string:");
  String str1 = bf.readLine();
  System.out.println("Please enter second string:");
  String str2 = bf.readLine();
  if (str1.equals(str2)){
  System.out.println("The given string is equals");
  }
  else{
  System.out.println("The given string is not equals");
  }
  }
}

public class StrToNum{
  public static void main (String args[]){
  String table = "Table of the Java Numbers\n" +
 "Primitive Type\tSize in Bits\tTypical Value\tMinimum Value
\tMaximum Value\n" +
 "**************\t**************\t**************\t**********
****\t**************\n";
  
  // int
  table += "int\t\t" + 32 + "\t\t" + 65536 + "\t\t" + Integer.MIN_VALUE
 + "\t" + Integer.MAX_VALUE + "\n";
  // byte
  table += "byte\t\t" + 8 + "\t\t" + (byte)5 + "\t\t" + Byte.MIN_VALUE 
+ "\t\t" + Byte.MAX_VALUE + "\n";
  // short
  table += "short\t\t" + 16 + "\t\t" + (short)1024 + "\t\t" + Short.MIN_VALUE
 + "\t\t" + Short.MAX_VALUE + "\n";
  //boolean
  table += "boolean\t\t" + "\t\t" + true + ',' + false + "\t\t" + "\n";
  // double
  table += "double\t\t" + 64 + "\t\t" + 100e100 + "\t\t" + Double.MIN_VALUE +
 "\t" + Double.MAX_VALUE + "\n";
  table +=
 "**************\t**************\t**************\t***************\t************\n";

  System.out.println(table);
}
}

class NumToStr {
  public static void main(String[] args) {
  int i  = 40;
  float f  = (float) 100.0;
  long l = 3000000;
  String s = new String();

  s = String.valueOf(i);
  System.out.println ("int i = " + s);
  s = String.valueOf(f);
  System.out.println ("float f = " + s);
  s = String.valueOf(l);
  System.out.println ("long l = " + s);
  s = new Integer(i).toString();
  System.out.println ("int i = " + s);
  s = new Float(f).toString();
  System.out.println ("float f = " + s);
  s = new Long(l).toString();
  System.out.println ("long l = " + s);
  }
}

import java.util.regex.*;

public class Splitter {
    public static void main(String[] args) throws Exception {
        // Create a pattern to match breaks
        Pattern p = Pattern.compile("[,\\s]+");
        // Split input with the pattern
        String[] result = 
                 p.split("one,two, three   four ,  five");
        for (int i=0; i<result.length; i++)
            System.out.println(result[i]);
    }
}

public class ValueOfDemo {
    public static void main(String[] args) {

        // this program requires two 
        // arguments on the command line 
        if (args.length == 2) {
            // convert strings to numbers
            float a = (Float.valueOf(args[0])).floatValue(); 
            float b = (Float.valueOf(args[1])).floatValue();

            // do some arithmetic
            System.out.println("a + b = " +
                               (a + b));
            System.out.println("a - b = " +
                               (a - b));
            System.out.println("a * b = " +
                               (a * b));
            System.out.println("a / b = " +
                               (a / b));
            System.out.println("a % b = " +
                               (a % b));
        } else {
            System.out.println("This program " +
                "requires two command-line arguments.");
        }
    }
}