单选题interface DeclareStuff{ public static final int EASY = 3; void doStuff(int t); } public class TestDeclare implements DeclareStuff { public static void main(String [] args) { int x=5; new TestDeclare().doStuff(++x); } void doStuff(int s) { s += EASY + ++s; System.out.println(”s “ + s); } } What is the result?()A s 14B s 16C s 10D Compilation fails.E An exception is thrown at runtime.
单选题
interface DeclareStuff{ public static final int EASY = 3; void doStuff(int t); } public class TestDeclare implements DeclareStuff { public static void main(String [] args) { int x=5; new TestDeclare().doStuff(++x); } void doStuff(int s) { s += EASY + ++s; System.out.println(”s “ + s); } } What is the result?()
A
s 14
B
s 16
C
s 10
D
Compilation fails.
E
An exception is thrown at runtime.
参考解析
解析:
暂无解析
相关考题:
Which two code fragments correctly create and initialize a static array of int elements() 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 int(){a=new int[3];a[0]=100;a[1]=200;}
下列程序的输出结果是 interface Inter{ public final static int A=100; } class My implements Inter{ public static void main (String args[ ]) {System.out.println(A) ; }A.100B.0C.AD.程序有错误
下列程序段中,正确的是______。 ①class MvClass { int var = 100; static int getVar() { return var; } } ②public class MyClass { final int date; void MyClass (int d) { date = d; } } ③public class MyMain { public static void main(String args[]) { System.out.println(Myclass1.date); } } class MyClass1 { int data = 10; } ④class IamAbstract { final int f; double d; abstrct void method(); }A.②④B.①③C.②D.以上都不对
public class Something {public static void main(String[] args) {Other o = new Other();new Something().addOne(o);}public void addOne(final Other o) {o.i++;}}class Other {public int i;}和上面的很相似,都是关于final 的问题,这有错吗?
请完善程序(程序文件名:Java_3.java)并进行调试。请在下画线处填入正确内容,然后删除下画线。请勿删除注释行和其他已有的语句内容。[题目要求]生成下面左边图形界面,单击图中的New按钮,弹出如右图所示的对话框。源程序:import java.awt.*;import java.awt.event.*;import javax.swing.*;public class Java_3 {public static void main(String[] args) {MulticastFrame. frame=new MulticastFrame();frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);frame.show();}}class MulticastFrame. extends JFrame. {public MulticastFrame() {setTitle("MulticastTest");setSize(WIDTH,HEIGHT);MulticastPanel panel=new MulticastPanel();Container contentPane=getContentPane();contentPane.add( (1) );}public static final int WIDTH=300;public static final int HEIGHT=200;}class MulticastPanel extends JPanel }public MulticastPanel() {JButton newButton=new JButton("New");add(newButton);ActionListener newListener=new ActionListener() {public void actionPerformed(ActionEvent event) {makeNewFrame();}};newButton.addActionListener(newListener);closeAllButton=new JButton("Close all");add(closeAllButton);}private void makeNewFrame() {final BlankFrame. frame=new BlankFrame();frame.show();ActionListener closeAllListener=new ActionListener() {public void actionPerformed(ActionEvent event) {frame. (2) (); //使窗口隐藏或消除}};closeAllButton.addActionListener( (3) );}private JButton closeAllButton;}Class BlankFrame. extends JFrame. {public BlankFrame() {(4) ++;setTitle("Frame"+counter);setSize(WIDTH,HEIGHT);setLocation(SPACING*counter,SPACING*counter);}public static final int WIDTH=200;public static final int HEIGHT=150;public static final int SPACING=30;private static int counter=0;}
下列哪个成员方法声明是正确的? ( )A.public abstract final int f(){...}B.public static boolean f(){...}C.static protected void g(a,{...}D.protected private number;
分析下面程序,哪一行代码能正确赋值?()class Demo {public void method() {final int num1 = 10;static int num2 = 20;abstract int num3 = 30;private int num4 = 40;}} A.final int num1 = 10;B.static int num2 = 20;C.abstract int num3 = 30;D.private int num4 = 40;
下列哪个成员方法声明是正确的? ( )A.public abstract final int f(){…}B.public static boolean f(){…}C.static protected void g(a,b){…}D.protected private number;
public interface Foo{ int k = 4; } Which three are equivalent to line 2?() A、 Final int k = 4;B、 Public int k = 4;C、 Static int k = 4;D、 Private int k = 4;E、 Abstract int k = 4;F、 Volatile int k = 4;
Which two code fragments correctly create and initialize a static array of int elements?() 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; }
public class Foo { public static void main (String args) { int i = 1; int j = i++; if ((i++j) (i++ ==j)) { i +=j; } } } What is the final value of i?() A、 1B、 2C、 3D、 4E、 5
interface DeclareStuff{ public static final int EASY = 3; void doStuff(int t); } public class TestDeclare implements DeclareStuff { public static void main(String [] args) { int x=5; new TestDeclare().doStuff(++x); } void doStuff(int s) { s += EASY + ++s; System.out.println(”s “ + s); } } What is the result?() A、 s 14B、 s 16C、 s 10D、 Compilation fails.E、 An exception is thrown at runtime.
public interface Foo { int k = 4; 3. } Which three are equivalent to line 2?()A、 final int k = 4;B、 public int k = 4;C、 static int k = 4;D、 abstract int k = 4;E、 volatile int k = 4;F、 protected int k = 4;
哪一行定义了一个静态变量?()A、public static int i;B、static public int i;C、public int static i;D、int public static i;
以下声明合法的是()A、default String sB、public final static native int w( )C、abstract double dD、abstract final double hyperbolicCosine( )
Which two code fragments correctly create and initialize a static array of int elements()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 int(){a=new int[3];a[0]=100;a[1]=200;}
Given: 1. public interface Foo { 2. int k = 4: 3. } Which three are equivalent to line 2?()A、 final int k = 4:B、 public int k = 4:C、 static int k = 4:D、 private int k = 4:E、 abstract int k = 4:F、 volatile int k = 4:G、 transient int k = 4:H、 protected int k = 4:
Which three form part of correct array declarations?() A、 public int a []B、 static int [] aC、 public [] int aD、 private int a [3]E、 private int [3] a []F、 public final int [] a
public interface Foo{ int k = 4; } Which three are equivalent to line 2? ()A、 Final int k = 4;B、 Public int k = 4;C、 Static int k = 4;D、 Private int k = 4;E、 Abstract int k = 4;F、 Volatile int k = 4;G、 Transient int k = 4;H、 Protected int k = 4;
多选题Which two code fragments correctly create and initialize a static array of int elements?()Astatic final int[] a = { 100,200 };Bstatic final int[] a; static { a=new int[2]; a[0]=100; a[1]=200; }Cstatic final int[] a = new int[2]{ 100,200 };Dstatic final int[] a; static void init() { a = new int[3]; a[0]=100; a[1]=200; }
多选题Which two code fragments correctly create and initialize a static array of int elements()Astatic final int[]a={100,200};Bstatic final int[]a;static{a=new int[2];a[0]=100;a[1]=200;}Cstatic final int[]a=new int[2]{100,200};Dstatic final int[]a;static void int(){a=new int[3];a[0]=100;a[1]=200;}
多选题现有: public class TestDemo{ private int X-2; static int y=3; public void method(){ final int i=100; int j =10; class Cinner { public void mymethod(){ //Here } } } } 在Here处可以访问的变量是哪些?()AXByCjDi
多选题public class TestDemo{ private int x = 2; static int y = 3; public void method(){ final int i=100; int j = 10; class Cinner{ public void mymethod(){ //Here } } } } 在Here处可以访问的变量是哪些?()AxByCiDj