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单选题
public static void test(String str) { int check = 4; if (check = str.length()) { System.out.print(str.charAt(check -= 1) +“, “); } else { System.out.print(str.charAt(0) + “, “); } } and the invocation: test(”four”); test(”tee”); test(”to”); What is the result?()
A
r, t, t,
B
r, e, o,
C
Compilation fails.
D
An exception is thrown at runtime.
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更多 “单选题public static void test(String str) { int check = 4; if (check = str.length()) { System.out.print(str.charAt(check -= 1) +“, “); } else { System.out.print(str.charAt(0) + “, “); } } and the invocation: test(”four”); test(”tee”); test(”to”); What is the result?()A r, t, t,B r, e, o,C Compilation fails.D An exception is thrown at runtime.” 相关考题
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public static void test(String str) { int check = 4; if (check = str.length()) { System.out.print(str.charAt(check -= 1) +“, “); } else { System.out.print(str.charAt(0) + “, “); } } and the invocation: test(”four”); test(”tee”); test(”to”); What is the result?() A、 r, t, t,B、 r, e, o,C、 Compilation fails.D、 An exception is thrown at runtime.
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单选题public class Test { public int aMethod() { static int i = 0; i++; return i; } public static void main (String args[]) { Test test = new Test(); test.aMethod(); int j = test.aMethod(); System.out.println(j); } } What is the result?()A
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2D
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单选题public class Test { public static void leftshift(int i, int j) { i=j; } public static void main(String args[]) { int i = 4, j = 2; leftshift(i, j); System.out.printIn(i); } } What is the result?()A
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4C
8D
16E
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考题
单选题Consider the following class: class Test(int i) { void test(int i) { System.out.println(“I am an int.”); } void test(String s) { System.out.println(“I am a string.”); } public static void main(String args) { Test t=new Test(); char ch=“y”; t.test(ch); } } Which of the statements below is true?()A
Line 5 will not compile, because void methods cannot be overridden.B
Line 12 will not compile, because there is no version of test() that rakes a charargument.C
The code will compile but will throw an exception at line 12.D
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The code will compile and produce the following output: I am a String.
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