Java Application程序中,必有一个主方法main(),该方法有没有参数都可以。
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Which is not a keyword?
A. go
B. continue
C. Break
D. Class
E. transient
Which is the numerical range of a byte?
A. 0 ... 255
B. 0 ... 65535
C. -128 ... 127
D. -32768 ... 32767
E. Range is platform dependent.
What is the result?public class SwitchTest {public static void main(String[] args) {System.out.println("Vaule="+switchIt(4));}public static int switchIt(int x){int j=1;switch(x){case 1:j++;case 2:j++;case 3:j++;case 4:j++;case 5:j++;default:j++;}return j+x;}}
A. value = 3
B. value = 4
C. value = 5
D. value = 6
E. value = 7
F. value = 8
067、126、0b1001_1100_0011_1111、0x10F分别是:
A. 十六进制、十进制、八进制、二进制
B. 二进制、十进制、八进制、十六进制
C. 八进制、十进制、二进制、十六进制
D. 十六进制、八进制、十进制、二进制