单项选择题X 纠错
A.go in Goban go in Sente go in Sente
B.go in Sente go in Sente go in Goban
C.go in Sente go in Goban go in Goban
D.go in Goban go in Goban go in Sente
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单项选择题
A.The code will compile without changes.
B.The code will compile if public Tree() { Plant(); } is added to the Tree class.
C.The code will compile if public Plant() { Tree(); } is added to the Plant class.
D.The code will compile if public Plant() { this("fern"); } is added to the Plant class.
E.The code will compile if public Plant() { Plant("fern"); } is added to the Plant class.
多项选择题
A.static final int[] a = { 100,200 };
B.static final int[] a; static { a=new int[2]; a[0]=100; a[1]=200; }
C.static final int[] a = new int[2]{ 100,200 };
D.static final int[] a; static void init() { a = new int[3]; a[0]=100; a[1]=200; }
单项选择题
A.Line 26 prints "a" to System.out.
B.Line 26 prints "b" to System.out.
C.An exception is thrown at line 26 at runtime.
D.Compilation of class A will fail due to an error in line 6.
多项选择题
A.Foo.beta() is a valid invocation of beta().
B.Foo.alpha() is a valid invocation of alpha().
C.Method beta() can directly call method alpha().
D.Method alpha() can directly call method beta().
单项选择题
A.It is true that j==i.
B.It is false that j==i.
C.An exception is thrown at runtime.
D.Compilation fails because of an error in line 13.
单项选择题
A.35. DateFormat df = DateFormat.getDateFormat();42. d.setTime( (60 * 60 * 24) + d.getTime());
B.35. DateFormat df = DateFormat.getDateInstance();42. d.setTime( (1000 * 60 * 60 * 24) + d.getTime());
C.35. DateFormat df = DateFormat.getDateFormat();42. d.setLocalTime( (1000*60*60*24) + d.getLocalTime());
D.35. DateFormat df = DateFormat.getDateInstance();42. d.setLocalTime( (60 * 60 * 24) + d.getLocalTime());
单项选择题
A.a b c
B.1 2 3
C.a1b2c3
D.a1 b2 c3
多项选择题
A.String s = c.readLine();
B.char[] c = c.readLine();
C.String s = c.readConsole();
D.char[] c = c.readConsole();
E.String s = c.readLine("%s", "name ");
单项选择题
A.Compilation fails.
B.After line 15, the value of age is 5.
C.After line 15, the value of age is 3.
D.An exception is thrown at runtime.