单项选择题
A.不允许重复元素,元素无顺序 B.不允许重复元素,元素有顺序 C.允许重复元素,元素无顺序 D.允许重复元素,元素有顺序
public class TestA{ public void methodA() throws IOE...
public class TestA{ public void methodA() throws IOException{ //…… } } public class TestB extends TestA{ public void methodA() throws EOFException{ //…… } } public class TestC extends TestA{ public void methodA() throws Exception{ //…… } } 当编译类TestC的时候,结果是哪项?()
A. 正常 B. 编译错误 C. 运行错误 D. 以上都不对
public class TestApp{ public int mymethod(){ ...
public class TestApp{ public int mymethod(){ try{ int i = 0; int j = 1 / i; System.out.println(“1”); }finally{ System.out.print(“4”); } return 1; } } 上述程序运行后的输出是哪项?()
A. 4 B. 14 C. 41 D. 以上都不对
public class TestApp{ public static void main(String[]...
public class TestApp{ public static void main(String[] args){ try{ int i = 0; int j = 1 / i; System.out.println(“1”); }catch(Exception e){ System.out.print(“3”); }finally{ System.out.print(“4”); } } } 上述程序运行后的输出是哪项?()
A. 4 B. 34 C. 43 D. 14