Top 10 Common Number Pattern Programs For Java Interview
Write a Program to Print Below Pattern?
11111
12222
12333
12344
12345
package com.softwaretestingblog.InterviewPgms;
public class NumberpatternPgm2
{
public static void main(String[] args)
{
// TODO Auto-generated method stub
int i,j;
for(i=1;i<=5;i++)
{
for(j=1;j<=5;j++)
{
if(j<=i)
System.out.print(j);
else
System.out.print(i);
}
System.out.println("");
}
}
}
Write a Program TO Print Below Structure?
package com.softwaretestingblog.programs;
import java.util.Scanner;
public class Pattern_Program1 {
public static void main(String[] args) {
// TODO Auto-generated method stub
int num, space;
System.out.print("Enter a number between 1 to 9 : ");
Scanner reader = new Scanner(System.in);
try {
num = reader.nextInt();
space = num - 1;
for (int i = 1; i <= num; i++) {
for (space = 1; space <= (num - i); space++) {
System.out.print(" ");
}
for (int j = 1; j <= i; j++) {
System.out.print(j);
}
for (int k = (i - 1); k >= 1; k--) {
System.out.print(k);
}
System.out.println();
}
}
finally {
reader.close();
}
}
}
Output:
Java Programs: Star Pyramid Patterns Program In Java
Write a Number Pattern Program On Below Structure?
1
22
333
4444
55555
Ans:
package com.softwaretestingblog.programs;
import java.util.Scanner;
public class Pattern_Program1 {
public static void main(String[] args) {
// TODO Auto-generated method stub
int count = 5;
for (int i = 1; i <= count; i++) {
for (int j = 1; j <= i; j++) {
System.out.print(i);
}
System.out.println();
}
}
}
Output:
Read Also: Selenium Automation Interview Questions
Write a Program to Below Pattern?
1
12
123
1234
12345
1234
123
12
1
Ans:
package com.softwaretestingblog.programs;
import java.util.Scanner;
public class Pattern_Program1 {
public static void main(String[] args) {
// TODO Auto-generated method stub
int n = 5;
for (int i = 1; i < n; i++) {
for (int j = 1; j <= i; j++)
System.out.print(j);
System.out.println();
}
for (int i = n; i >=0 ; i--) {
for (int j = 1; j <= i; j++)
System.out.print(j);
System.out.println();
}
System.out.println();
}
}
Output:
Read Also: Finalize in Java
Write a Program For Below Pattern?
12345
1234
123
12
1
1
12
123
1234
12345
Ans:
package com.softwaretestingblog.programs;
import java.util.Scanner;
public class Pattern_Program1 {
public static void main(String[] args) {
// TODO Auto-generated method stub
int n = 5;
for (int i = n; i >= 0; i--) {
for (int j = 1; j <= i; j++)
System.out.print(j);
System.out.println();
}
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= i; j++)
System.out.print(j);
System.out.println();
}
System.out.println();
}
}
Output:
Write a Program For Below Patten?
1
01
101
0101
10101
Ans:
package com.softwaretestingblog.programs;
import java.util.Scanner;
public class Pattern_Program1 {
public static void main(String[] args) {
// TODO Auto-generated method stub
int n, p, q;
n = 5;
for (int i = 1; i <= n; i++)
{
if (i % 2 == 0)
{ p = 1; q = 0; }
else
{ p = 0; q = 1; }
for (int j = 1; j <= i; j++)
if (j % 2 == 0)
System.out.print(p);
else
System.out.print(q);
System.out.println();
}
}
}
Output:
Write a Program for Below Patten?
1
23
456
78910
Ans:
package com.softwaretestingblog.programs;
import java.util.Scanner;
public class Pattern_Program1 {
public static void main(String[] args) {
// TODO Auto-generated method stub
int rows, k = 1;
rows = 4;
for (int i = 1; i <= rows; i++)
{
for (int j = 1; j <= i; j++)
System.out.print(k++);
System.out.println();
}
}
}
Output:
Write a Program for Below Patten?
1
1 2
1 2 3
1 2 3 4
1 2 3 4 5
Ans:
package com.selenium.actions;
public class Pattern_Program {
public static void main(String[] args)
{
int n= 5;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= n - i; j++) {
System.out.print(" ");
}
for (int k = 1; k <= i; k++) {
System.out.print(k + " ");
}
System.out.println("");
}
}
}
Output:
Write a Program for Below Patten?
1****
12***
123**
1234*
12345
Ans:
package com.softwaretestingblog.programs;
import java.util.Scanner;
public class Pattern_Program1 {
public static void main(String[] args) {
// TODO Auto-generated method stub
int i, j, k;
int n = 5;
for (i = 1; i <= n; i++) {
for (j = 1; j <= i; ++j)
System.out.print(j);
for (k = n - i; k >= 1; k--)
System.out.print("*");
System.out.println();
}
}
}
Output:
Write a Program for Below Patten?
How many rows do you want in this pattern?
5
Here is your pattern….!!!
1
2 6
3 7 10
4 8 11 13
5 9 12 14 15
Ans:
package com.softwaretestingblog.programs;
import java.util.Scanner;
public class Pattern_Program1 {
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner sc = new Scanner(System.in);
System.out.println("How many rows you want in this pattern?");
int rows = sc.nextInt();
System.out.println("Here is your pattern....!!!");
for (int i = 1; i <= rows; i++)
{
int num = i;
for (int j = 1; j <= i; j++)
{
System.out.print(num+" ");
num = num+rows-j;
}
System.out.println();
}
sc.close();
}
}
Output:
Write a Program for Below Number Pattern Programs?
How many rows do you want in this pattern?
5
Here is your pattern….!!!
11111
11122
11333
14444
55555
Ans:
package com.softwaretestingblog.programs;
import java.util.Scanner;
public class Pattern_Program1 {
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner sc = new Scanner(System.in);
System.out.println("How many rows you want in this pattern?");
int rows = sc.nextInt();
System.out.println("Here is your pattern....!!!");
for (int i = 1; i <= rows; i++)
{
for (int j = 1; j <= rows-i; j++)
{
System.out.print(1);
}
for (int j = 1; j <= i; j++)
{
System.out.print(i);
}
System.out.println();
}
sc.close();
}
}
Output:
Write a Program to Print Below Number Pattern Programs
Ans:
package com.softwaretestingblog.programs;
import java.util.Scanner;
public class Myclass
{
public static void main(String arg[])
{
Scanner sc =new Scanner(System.in);
System.out.println("Enter the number");
int n=sc.nextInt();
for(int i=1;i<=n;i++)
{
for(int j=i;j<=n;j++)
{
System.out.print(" "+j +" ");
}
for(int k=1;k<i;k++)
{
System.out.print(" "+k+" ");
}
System.out.println();
}
}
}
Write a Program To Print Below Number Pattern Programs?
———When Row No = 3———————
1112
3222
3334
———When Row No = 5———————
111112
322222
333334
544444
555556
Ans:
package com.softwaretestingblog.InterviewPgms;
public class NumberpatternPgm1 {
public static void numberPattern(int rows) {
for (int row = 0; row < rows; row++) {
for (int col = 0; col < rows + 1; col++) {
int number = 0;
if (row % 2 == 0)
{
number = col < rows ? row + 1 : row + 2;
} else
{
number = col == 0 ? row + 2 : row + 1;
}
System.out.print(number);
}
System.out.println();
}
}
public static void main(String[] args) {
// TODO Auto-generated method stub
NumberpatternPgm1 obj=new NumberpatternPgm1();
System.out.println("---------When Row No = 3---------------------");
obj.numberPattern(3);
System.out.println("---------When Row No = 5---------------------");
obj.numberPattern(5);
}
}
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