Square Hollow Pattern
// Java Program to print pattern
// Square hollow pattern
import java.util.*;
public class w3wiki {
// Function to demonstrate pattern
public static void printPattern(int n)
{
int i, j;
// outer loop to handle number of rows
for (i = 0; i < n; i++) {
// inner loop to handle number of columns
for (j = 0; j < n; j++) {
// star will print only when it is in first
// row or last row or first column or last
// column
if (i == 0 || j == 0 || i == n - 1
|| j == n - 1) {
System.out.print("*");
}
// otherwise print space only.
else {
System.out.print(" ");
}
}
System.out.println();
}
}
// Driver Function
public static void main(String args[])
{
int n = 6;
printPattern(n);
}
}
Output
****** * * * * * * * * ******
Java Pattern Programs – Learn How to Print Pattern in Java
In many Java interviews Star, number, and character patterns are the most asked Java Pattern Programs to check your logical and coding skills. Pattern programs in Java help you to sharpen your looping concepts(for loop). Now if you are looking a place to get all the Java pattern exercises with solutions, then stop your search here.
Here we have compiled a top pattern program on Java. Now, remember that to learn pattern programs, you must know Java Loops.