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Lab12Solution

public class Lab12 {
	public static void main(String[] args) 
	{
		//PART 1
		for (int i = 1; i <= 6; i++) {
		    for (int j = 1; j <= i; j++)
		        System.out.print("*");
		    System.out.println();
		}
		System.out.println();


		//PART 2
		for (int i = 6; i >= 1; i--) {
			for (int j = 1; j < 7-i; j++)
				System.out.print(" ");
		    for (int j = 1; j <= i; j++)
		        System.out.print("*");
		    System.out.println();
		}
		System.out.println();


		//PART 3
		for (int i = 1; i <= 5; i++) {
			for (int j = 1; j < 6-i; j++)
				System.out.print(" ");
		    for (int j = 1; j < 2*i; j++)
		        System.out.print("*");
		    System.out.println();
		}
		for (int i = 4; i >= 1; i--) {
			for (int j = 1; j < 6-i; j++)
				System.out.print(" ");
		    for (int j = 1; j < 2*i; j++)
		        System.out.print("*");
		    System.out.println();
		}
	}
}