for (int j = 0; j < i; j++) { System.out.print("*"); System.out.println(""); A fun, simple solution: System.out.println(" *********".substring(i, 5 + 2*i)); First of all, you need to make sure you're …

Mar 13, 2023 · The first loop within the outer loop is used to print the spaces before each star. As you can see the number of spaces decreases with each row while we move towards the base …

Jan 25, 2024 · We’re going to use the for loop to iterate over the rows of the triangle as we did in the previous examples. Then, we’ll use the StringUtils.repeat () method in order to generate …

Apr 8, 2025 · 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 …

char[] chrArr = str.toCharArray(); // initializes the matrix with blank spaces for (int i = 0; i < n; i++) { for (int j = 0; j < 2*n+1; j++) { matrix[i][j] = ' '; } } // build the two sides of the triangle for (int i = 0; …

You write three characters at a time (space, first digit, second digit), so you need to print three spaces to have the correct results. Basically your same code, but with three spaces int the …

Write a Java program to print triangle numbers pattern using the for loop, while loop, and do while with an example.

In this tutorial, we will explore how to print various triangle patterns in Java using nested loops. Understanding how to manipulate loops is foundational for programming, and printing shapes …

Aug 15, 2024 · In this tutorial, we will discuss a concept of Java program to Integrated triangle patterns using for loop in Java language. In Java programming language, we can use for loop …

Sep 20, 2019 · In this brief article, we will explain you easily a way of drawing the famous triangles using loops in Java. As logic to print a left oriented triangle with asterisks in Java, we …