public class E02 {public static void main(String[] args) {String[] codes = {" * "," * * "," * * ","* *"};for (int i=0 ; i < 4 ; i++){String code = codes[i];System.out.println(code);}for (int j=3 ; j >= 0 ; j--){String code = codes[j];System.out.println(code);}}
}
public class E03 {public static void main(String[] args) {for (int m = 1; m <= 4 ; m++) {for (int i = 4-m; i >=1; i--) {System.out.print(" ");}for (int k = 1; k <= 2*m-1;k++){System.out.print("*");}for (int j = 4-m; j >=1; j--) {System.out.print(" ");}System.out.println();}for (int m = 3; m >= 1 ; m--) {for (int i = 4-m; i >=1; i--) {System.out.print(" ");}for (int k = 1;k<=2*m-1;k++){System.out.print("*");}for (int j = 4-m; j >=1; j--) {System.out.print(" ");}System.out.println();}}
}
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