Java - Constructor Program Example - Allprogramexample

Constructor Program Example
class cube
{
int lenth;
int width;
int height;
cube()         //Constructor initilize
{
lenth=10;
width=20;
height=2;
}
int volume()
{
return(lenth*width*height);
}
}
class cons
{
public static void main(String aa[])
{
cube cc1=new cube();

int a=cc1.volume();
System.out.println("the volum of "+a);
}}

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Java - Array Program Example - Allprogramexample

Array Program Example - 
class array1
{
public static void main(String arg[])
{
int ar[][]={{3,5,7},{4,7,2}};
int n=ar.length;
System.out.println("The list of elements are");
for(int i=0;i<n;i++)
for (int j=0;j<n;j++)
System.out.println(ar[i][j]);
}
}

 

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Java - Add the Two Number Program Example - Allprogramexample

Add the Two Number Program
class add1
{
public static void main(String args[])
{
System.out.println("Addtion of two numbers");
int a=10;
int b=15;
int c=a+b;
System.out.println("result is "+c);
}
} 

Output - 
25

 

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Java - String Function Program Example - Allprogramexample

String Function Example
class stringfun
{
public static void main(String[] args)
{
String s="cjsoftech";
String s2="iitsdpatiala";
String s3=s2.substring(2,5);
String s4=s.concat(s2);
int i;
int j;
System.out.println("hello "+s);
System.out.println("length of s "+s.length());
System.out.println("s2.subString(2,5) "+s3);
System.out.println("s2.charAt(2) "+s2.charAt(2));
i=s.compareTo(s2);
System.out.println("s.compareTo(s2) "+i);
System.out.println("concate  "+s4);
j=s.indexOf('o');
System.out.println("index of o "+j);
String s5=s.replace('s','S');
System.out.println("after replace "+s5);
String s6=s.toUpperCase();
System.out.println("s6 uppercase "+s6);
String s7=s6.toLowerCase();
System.out.println("s6 lowercase "+s7);
int m=123;
String s8=String.valueOf(m);
System.out.println("valueof "+s8);
}
}

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Java - Final class program example - Allprogramexample

final class rect
{
public void input1()
{
System.out.println("rect");
}
}

class box extends rect
{
public void input2()
    {
System.out.println("box");
}
}

class test
{
public static void main(String arg[])
{
box x=new box();
x.input1();
x.input2();
  }
  }

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Java - factorial number example - Allprogramexample

Factorial number example
class  fact
{
public static void main(String r[] )
{
int i=1,m=1,n;
n=Integer.parseInt(r[0]);
do
{
 m=m*i;
 i++;
}
while (i<=n);
System.out.println("Fact of "+n+"is ="+m);
}
}

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Java - Bitwise Operator Example - Allprogramexample

Bitwise Operator Example
class bitwise
{
 public static void main(String args[])
 {
  int a=22,b=10,and,or,comp,xor,rs,ls;
and=a&b;
or=a|b;
comp=~a;
xor=a^b;
rs=a<<2;
ls=a>>2;
System.out.println("and "+and);
System.out.println("or "+or);
System.out.println("comp "+comp);
System.out.println("xor "+xor);
System.out.println("rs "+rs);
System.out.println("ls "+ls);
}
}

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In Java - Arithmatic Operator Example

Arithmatic  Operator Example

class oper1
{
public static void main (String aa[])
{
int a=20;
int b=a*2;
int c=b-30;
int d=c/2;
System.out.println("Result of a is"+a);
System.out.println("Result of a is"+b);
System.out.println("Result of a is"+c);
System.out.println("Result of a is"+d);
}}

Output -
Result of a = 20
Result of b = 40
Result of c = 10
Result of d =5

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java Hello world program example

Helloo World Java program example

class helloo
{
public static void main(String arg[])
{
sytem.out.println("helloo java program ");
}
}

you can save this program in your computer drive with the extension of .java like helloo.java and compile with javac helloo.java when it compile and error free then you can run with simple java helloo.

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