以下文字与答案无关
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错误:方法参数与变量不匹配
B:20 and 40
C:10 and 40
D:10 and 20
">2.以下代码的输出结果为( )。public class Pass{
static int j = 20;
public void amethod(int x){
x = x*2;
j = j*2;
}
public static void main(String args]){
int i = 10;
Pass p = new Pass();
p.amethod(i);
System.out.println(i+" and "+j);
}
}
错误:方法参数与变量不匹配
B:20 and 40
C:10 and 40
D:10 and 20
没有输出
B:b is an instance of A
C:b is an instance of C.
D:输出b is an instance of A,然后是b is an instance of C.
">7.如下程序的运行结果为:( )。interface A {
}
class C {
}
class B extends D implements A {
}
public class Test {
public static void main(String] args) {
B b = new B();
if (b instanceof A)
System.out.println("b is an instance of A");
if (b instanceof C)
System.out.println("b is an instance of C");
}
}
class D extends C {
}
没有输出
B:b is an instance of A
C:b is an instance of C.
D:输出b is an instance of A,然后是b is an instance of C.
上述代码的运行结果是:()
选项: A:MyClass() 20 MyClass(int) 10
B:In Static MyClass() 20 MyClass(int) 10
C:In Static MyClass(int) 20 MyClass() 10
D:In Static MyClass() 10 MyClass(int) 20
">10.上述代码的运行结果是:()
选项: A:MyClass() 20 MyClass(int) 10
B:In Static MyClass() 20 MyClass(int) 10
C:In Static MyClass(int) 20 MyClass() 10
D:In Static MyClass() 10 MyClass(int) 20
<a>这是段落</a>]
B:这是段落]
C:]
D:<a>这是段落</a>, 这是段落]
">17.阅读下面的程序:<a>这是段落</a>]
B:这是段落]
C:]
D:<a>这是段落</a>, 这是段落]