分析以下Java代码的执行结果是?public static void main(String[] args) {int i = 5;System.out.print("4" + i + "");System.out.print(i + 5 + "7");System.out.println(i + "8");}
A. 99722
B. 955758
C. 4510758
D. 459722
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分析以下Java代码执行之后的结果是?public static void main(String[] args) {boolean x = true;boolean y = false;short z = 20;if ((x == true) && (y = true))z++;if ((y == true) || (++z == 22))z++;System.out.println("z=" + z);}
A. z=21
B. z=22
C. z=23
D. z=24
下列Java语句执行后,K的值是?int x = 6, y = 10, k = 5;switch (x % y) {case 0:k = x * y;case 6:k = x / y;case 12:k = x - y;default:k = x * y - x;
A. 60
B. 5
C. 0
D. 54
下列语句执行后,k的值是?int i = 10, j = 18, k = 30;switch (j - i) {case 8:k++;case 9:k += 2;case 10:k += 3;default:k /= j;
A. 2
B. 31
C. 32
D. 33
以下程序执行后,r的值是?char ch = '8';int r = 10;switch (ch + 1) {case '7':r += 3;case '8':r += 5;case '9':r += 6;break;default:r += 8;}
A. 13
B. 15
C. 16
D. 18