import java.util.Random; public class Hw07 { public static void main(String[] args) { Random rnd = new Random(); int[][] a = new int[5][6]; int i, j, sum; for (i=0; i<5; i++) { a[i][5] = 0; // 合計を入力するa[i][5]の初期化 for (j=0; j<5; j++) { a[i][j] = rnd.nextInt(90) + 10; // 0..89の乱数 + 10 = 10..99 a[i][5] += a[i][j]; // 値を加算(合計を計算) } } for (i=0; i<5; i++) { for (j=0; j<6; j++) { System.out.print(a[i][j]); if ( j==5 ) { System.out.println(""); } else if ( j==4 ) { System.out.print(" = "); } else { System.out.print(" + "); } } } } }