Java Techies - Solution for All
Basic Java Programs
Program to Print Hello Java
Program to Print Numbers 1 to 10
Program to Add Two Numbers
Program to Add and Print Numbers through Loop
Program to Swap two numbers
Program to Swap two numbers without using third variable
Program to Print Prime Numbers between 1 to 100
Program to Print Perimeter and Area
Program to print the Simple Interest
Program to print the HRA, DA, TA and Net Salary
Program to Print Hello Java
class Test
{
public static void main(String a[])
{
System.out.println("Hello Java...");
}
}
Output
Hello Java...
Program to Print Numbers 1 to 10
Program to Print Numbers 1 to 10
class Test
{
public static void main(String a[])
{
for( int i=0;i<10;i++)
{
System.out.print(" "+i);
}
}
}
Output
0 1 2 3 4 5 6 7 8 9
Program to Add Two Numbers
Program to Add Two Numbers
class Add
{
public static void main(String a[])
{
int x=10;
int y=20;
int sum;
sum=x+y;
System.out.println("sum="+sum);
}
}
Output
sum=30
Program to Add and Print Numbers through Loop
Program to Add and Print Numbers through Loop
class Add
{
public static void main(String a[])
{
int n=10;
int sum=0;
for(int i=0;i<=n;i++)
{
sum=sum+i;
System.out.println("sum="+sum);
}
}
}
Output
sum=0 sum=1 sum=3 sum=6 sum=10 sum=15 sum=21 sum=28 sum=36 sum=45 sum=55
Program to Swap two numbers
Program to Swap two numbers
class Swap
{
public static void main(String args[])
{
int a=10;
int b=20;
int c=0;
System.out.println("values before swap="+a+" "+b);
c=a;
a=b;
b=c;
System.out.println("values after swap="+a+" "+b);
}
}
Output
values before swap=10 20 values after swap=20 10
Program to Swap two numbers without using third variable
Program to Swap two numbers without using third variable
class Swap
{
public static void main(String args[])
{
int a=10;
int b=20;
System.out.println("values before swap="+a+" "+b);
a=a+b;
b=a-b;
a=a-b;
System.out.println("values after swap="+a+" "+b);
}
}
Output
values before swap=10 20 values after swap=20 10
Program to Print Prime Numbers between 1 to 100
Program to Print Prime Numbers between 1 to 100
class Prime
{
public static void main(String ad[])
{
int i,j,x,y=0;
for(i=1;i<100;i++)
{
x=0;
for(j=2;j<=i;j++)
{
if(i%j==0)
x=x+1;
}
if(x==1)
{
System.out.println("Prime Numbers Are " +i);
y=y+1;
}
}
System.out.println("The no. of prime no. are = "+y);
}
}
Output
Prime Numbers Are 2 Prime Numbers Are 3 Prime Numbers Are 5 Prime Numbers Are 7 Prime Numbers Are 11 Prime Numbers Are 13 Prime Numbers Are 17 Prime Numbers Are 19 Prime Numbers Are 23 Prime Numbers Are 29 Prime Numbers Are 31 Prime Numbers Are 37 Prime Numbers Are 41 Prime Numbers Are 43 Prime Numbers Are 47 Prime Numbers Are 53 Prime Numbers Are 59 Prime Numbers Are 61 Prime Numbers Are 67 Prime Numbers Are 71 Prime Numbers Are 73 Prime Numbers Are 79 Prime Numbers Are 83 Prime Numbers Are 89 Prime Numbers Are 97 The no. of prime no. are = 25
Program to Print Perimeter and Area
Program to Print Perimeter and Area
class Rectangle
{
public static void main(String a[])
{
int area;
int peri;
int length=10;
int bre=5;
peri=2*(length+bre);
area=length*bre;
System.out.println("area="+area);
System.out.println("perimeter="+peri);
}
}
Output
area=50 perimeter=30
Program to print the Simple Interest
Program to print the Simple Interest
class Simple
{
public static void main(String a[])
{
int principle=10000;
int rate=5;
int time=2;
int cal;
cal=(principle*rate*time)/100;
System.out.println("simple interst is "+cal);
}
}
Output
simple interst is 1000
Program to print the HRA, DA, TA and Net Salary
Program to print the HRA, DA, TA and Net Salary
class NetSalary
{
public static void main(String args[])
{
int bsal=10000,Hra,DA,Ta,pf=1400,netsalary;
Hra=(bsal*30)/100;
DA=(bsal*20)/100;
Ta=(bsal*10)/100;
netsalary=((bsal+Hra+DA+Ta)-pf);
System.out.println("HRA,DA,TA is="+Hra+" "+DA+" "+Ta);
System.out.println("net salary is="+netsalary);
}
}
Output
HRA, DA, TA is=3000 2000 1000 net salary is=14600
