public class Program { public static void main(String[] args) { System.out.println("This is my first java code (4 patterns).\nHope you'll like it! :)\nIf not displaying properly, rotate your phone.\n\n~PATTERN 1~\n"); //Pattern 1 int n = 5; for(int a = 1; a <= n; a++){ //a=row for(int b = 1; b <= n; b++){ for(int c = 1; c <= n; c++){ //stars+points in every r and col if(a == c){ System.out.print("*"); }else{ System.out.print("."); } } } System.out.println(); } System.out.println("______________________________"); //----------------------------------- //Pattern 2 System.out.println("\n~PATTERN 2~\n"); int m=8; for(int d = 4; d <= m; d++){ for(int e = m-d; e > 0 ;e--){ //empty parts at the beginning of the rows System.out.print(" "); } for(int f = 1; f < 4;f++){ //JAVA words + points for(int g = 1; g <4; g++){ if( d%2==1 || !(g%2==0) ){ System.out.print(" . "); }else{ System.out.print("JAVA"); } } } System.out.println(); } System.out.println("______________________________"); //------------------------------ //Pattern 3 System.out.println("\n~PATTERN 3~\n"); int l=8; for(int i = 3;i <= l; i++){ //i=3 =>it seems trapezoid for(int j = l-i; j > 0;j--){ //l-i empty parts System.out.print(" "); } for(int p = 1; p < l/2;p++){ //l/2 = number of __| minus 1(p=1) System.out.print("__|"); } for(int k = 1;k <= i;k++){ System.out.print("* "); } for(int u = 1; u

4 tricky patterns [JAVA]