() is the operation to check the quantity, quality and package of the goods according to the contract and the specific standard
package foo; import java.util.Vector; private class MyVector extends Vector { int i = 1; public MyVector() { i = 2; } } public class MyNewVector extends MyVector { public MyNewVector() { i = 4; } public static void main(String args[]) { MyVector v = new MyNewVector(); } } What is the result?()
The bos.perf package is part of the base operating system. Performance Diagnostic tool, PDT, is a part of bos.perf. All of the following statements are true EXCEPT?()
A recently installed package needs to be rolled back to aprevious version. Which of the following commands will perform the task?()
Given classes defined in two different files: 1. package util; 2. public class BitUtils { 3. private static void process(byte[] b) { } 4. } 1. package app; 2. public class SomeApp { 3. public static void main(String[] args) { 4. byte[] bytes = new byte[256]; 5. // insert code here 6. } 7. } What is required at line 5 in class SomeApp to use the process method of BitUtils?()
()doesn’t need to change package of goods or to stop in any place between the origin and destination
package sun.scjp; public enum Color { RED, GREEN, BLUE } package sun.beta; // insert code here public class Beta { Color g = GREEN; public static void main( String[] argv) { System.out.println( GREEN); } } The class Beta and the enum Color are in different packages. Which two code fragments, inserted individually at line 2 of the Beta declaration, will allow this code to compile?()
package foo; public class Outer ( public static class Inner ( ) ) Which statement is true?()
()doesn’t need to change package of goods or to stop in any place between the origin and destination point.
英译中:Package