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A Complete Guide to Java Programming

Examples of Algorithms: Part 3

Discover practical Java algorithms through examples like generating triangle patterns, identifying Armstrong numbers within a range, computing alternating series, and finding palindromic primes. This lesson helps you understand and implement these concepts with hands-on coding exercises.

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Coding example: 75

We might use the loop statement to form many types of patterns. The triangle pattern is one of them. Let’s take a look at its example first.

Java
// how to create triangle patterns
class TrianglePattern{
    public void printStars(int n){
        int i, j;
        for(i=0; i < n; i++)
        {
            for(j=0; j<=i; j++)
            {
                System.out.print("* ");
            }
            System.out.println();
        }
    }
}
public class ExampleSeventyFive
{
    static int num = 0;
    public static void main(String args[])
    {
        TrianglePattern patternObject = new TrianglePattern();
        num = 5;
        patternObject.printStars(num);
    }
}

Coding example: 76

This ...