若有声明:class C:public A,B{}; 则类C公有继承自类A、私有继承自类B。()
A.错误
B.正确
A.错误
B.正确
第1题
A.private class MyClass extends Object
B.public class myclass extends Object
C.public class MyClass
D.class MyClass extends Object
第2题
A. abstract class G2 extends superClass1,superClass2{…}
B. abstract public class classmates{…}
C. public final class NewClass extends superClass implements Interface1{…}
D. public abstract class String{…}
第3题
A.package t;public class A{}
B.import java.io.*;package t;public class A{}
C.import java.io.*;import java.awt.*;public class A{}
D.import java.io.*;class A{}public class B{}
第4题
A.public class J_Class { public J_Class(void) { } }
B.public c lass J _Class { }
C.public class J_Class { public J_Class(String s) { } }
D.public class J_Class { public void J_Class() { } public J_Class(String s) { }
第5题
A.public class A implements B,D{}
B.public class A extends B implements C,D,E{}
C.public class A extends B,D{}
D.public class A extends B{}
第6题
A.d.b与d.base1::b
B.d.base1::b与d.base1::b1
C.d.b与d.b3
D.d.base2::b与d.base2::b2
第7题
假设下面的程序代码都放在MyClass.java文件中,程序代码能够编译通过的是()。
A.import java.awt.*;
package mypackage;
class MyClass{}
B.package mypackage;
import java.awt.*;
public class myClass { }
C.int m;
package mypackage;
import java.awt.*;
class MyClass { }
D./*This is a comment*/
package mypackage;
import java.awt.*;
public class MyClass { }
第8题
A.import java.awt.*; package mypackage; class MyClass { }
B.package mypackage; import java.awt.*; public class myClass { }
C.int m; package mypackage; import java.awt.*; class MyClass { }
D./*This is a comment*/ package mypackage; import java.awt.*; public class MyClass { }
第9题
A.a
B.10
C.1
D.0xa
第10题
A."ababcc"
B."46abc8"
C."464688"
D."10abc8"
第11题
A.2.5
B.3
C.2
D.2.0