多项选择题
Integer i = new Integer (42);
Long 1 = new Long (42);
Double d = new Double (42.0);
Which two expressions evaluate to True?()
A. (i ==1)
B. (i == d)
C. (d == 1)
D. (i.equals (d))
E. (d.equals (i))
F. (i.equals (42)
相关考题
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单项选择题
1.public class test ( 2.public static void main (String args[]) { 3.int i = 0xFFFFFFF1; 4.int j = ~i; 5. 6.} 7.) What is the decimal value of j at line 5?()
A. 0
B. 1
C. 14
D. –15
E. An error at line 3 causes compilation to fail.
F. An error at line 4 causes compilation to fail. -
多项选择题
Whichtwoareequivalent?()
A. 3/2
B. 3<2
C. 3*4
D. 3<<2
E. 3*2^2
F. 3<<<2 -
单项选择题
public class X { public static void main (String[] args) { byte b = 127; byte c = 126; byte d = b + c; } } Which statement is true?()
A. Compilation succeeds and d takes the value 253.
B. Line 5 contains an error that prevents compilation.
C. Line 5 throws an exception indicating “Out of range”
D. Line 3 and 4 contain error that prevent compilation.
E. The compilation succeeds and d takes the value of 1.
