Java Program - Pattern 1
public
class JavaProgram
{
public static void main(String args[])
{
int i, j;
for(i=0; i<5; i++)
{
for(j=0; j<=i; j++)
{
System.out.print("*
");
}
System.out.println();
}
}
}:
Java Program - Pattern 2
public
class JavaProgram
{
public static void main(String args[])
{
int i, j, k=1;
for(i=0; i<5; i++)
{
for(j=0; j<k; j++)
{
System.out.print("*
");
}
k = k + 2;
System.out.println();
}
}
}
:
Java Program - Pattern 3
public
class JavaProgram
{
public static void main(String args[])
{
int i, j, k=8;
for(i=0; i<5; i++)
{
for(j=0; j<k; j++)
{
System.out.print("
");
}
k = k - 2;
for(j=0; j<=i; j++)
{
System.out.print("*
");
}
System.out.println();
}
}
}
Java Program - Pattern 4
public
class JavaProgram
{
public static void main(String args[])
{
int i, j, k=16, tim=1;
for(i=0; i<5; i++)
{
for(j=0; j<k; j++)
{
System.out.print(" ");
}
k = k - 4;
for(j=0; j<tim; j++)
{
System.out.print("*
");
}
tim = tim + 2;
System.out.println();
}
}
}
Java Program - Pattern 5
public
class JavaProgram
{
public static void main(String args[])
{
int i, j, n=1;
for(i=0; i<5; i++)
{
for(j=0; j<=i; j++)
{
System.out.print(n+ "
");
n++;
}
System.out.println();
}
}
}
When the above Java Program is compile and executed, it
will produce the following output:
Java Program - Pattern 6
public
class JavaProgram
{
public static void main(String args[])
{
int i, j, num;
for(i=0; i<5; i++)
{
num=1;
for(j=0; j<=i; j++)
{
System.out.print(num+ "
");
num++;
}
System.out.println();
}
}
}
When the above Java Program is compile and executed, it
will produce the following output:
Java Program - Pattern 7
Following Java Program ask to the user to enter the
number of rows to print the pyramid of stars:
import
java.util.Scanner;
public
class JavaProgram
{
public static void main(String args[])
{
int i, space, rows, k=0;
Scanner scan = new Scanner(System.in);
System.out.print("Enter Number of
Rows : ");
rows = scan.nextInt();
for(i=1; i<=rows; i++)
{
for(space=1; space<=(rows-i);
space++)
{
System.out.print(" ");
}
while(k != (2*i-1))
{
System.out.print("*
");
k++;
}
k = 0;
System.out.println();
}
}
}
When the above Java Program is compile and executed, it
will produce the following output:
Number Pattern Programs In Java :
Java programs to print the numbers or any other symbols in different patterns are one of the frequently asked interview programs mostly for freshers. Because, they test the candidate’s logical ability as well as coding skills which are ‘must have skills’ for any software engineer. In this post, I have collected some of the different number pattern programs in java and have tried to solve them. I hope they will be helpful for you guys.
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