At the instant when a string of casing being run from a ship is landed in the well head,().
设a$=""VisualBasic"",则Print String(3,a$)是()。
public static void main(String[] args) { String str = “null‟; if (str == null) { System.out.println(”null”); } else (str.length() == 0) { System.out.println(”zero”); } else { System.out.println(”some”); } } What is the result?()
class Sock { String size; String color; public boolean equals(Object o) { Sock s = (Sock) o; return color.equals(s.color); } // insert code here } 哪两个满足 hashCode 的约定?()
11. public static void main(String[] args) { 12. Object obj = new Object() { 13. public int hashCode() { 14. returns 42; 15. } 16. }; 17. System.out.println(obj.hashCode()); 18. } What is the result? ()
You are writing a method that accepts a string parameter named message. Your method must break the message parameter into individual lines of text and pass each line to a second method named Process. Which code segment should you use?()
1. public class Person { 2. private String name; 3. public Person(String name) { this.name = name; } 4. public boolean equals(Person p) { 5. return p.name.equals(this.name); 6. } 7. } Which is true?()
"程序中有两个过程Private Sub Fun1(S As String)和Private Sub Fun2(a()As String*6),在调用过程中用Dim St(6)As String*6定义了一个字符串数组。下面调用语句中正确的是() ①Call Fub1(St(3)) ②Call Fun2(St) ③Call Fun1(St) ④Call Fun2(St(6))
You are writing a method that accepts a string parameter named message.Your method must break the message parameter into individual lines of text and pass each line to a second method named Process. Which code segment should you use?()
public class Employee{ private String name; public Employee(String name){ this.name = name; } public String getName(){ return name; } } public class Manager extends Employee{ private String department; public Manager(String name,String department){ this.department = department; super(name); System.out.println(getName()); } } 执行语句new Manager(“smith”,”SALES”)后程序的输出是哪项?()