Given: 1.package test; 2. 3.class Target { 4.public String name = "hello";5.} What can directly access and change the value of the variable name?()
String[] elements = { “for”, “tea”, “too” }; String first = (elements.length > 0)? elements[0] null; What is the result?()
Given: 35.String #name = "Jane Doe"; 36.int $age = 24; 37.Double _height = 123.5; 38.double ~temp = 37.5; Which two statements are true?()
Given that the elements of a PriorityQueue are ordered according to natural ordering, and: https://assets.asklib.com/images/image2/2018080116070187298.jpg What is the result?()
Given: String[] elements = { "for", "tea", "too" }; String first = (elements.length > 0) ? elements[0] : null; What is the result?()
Given the following code: public class Person{ int arr[] = new int[10]; public static void main(String a[]) { System.out.println(arr[1]); } } Which statement is correct?()
Given the following code: public class Person{ static int arr[] = new int[10]; public static void main(String a[]) { System.out.println(arr[1];) } } Which statement is correct?()
Given that login.getName() returns a java.lang.String value and given the JSP code: Welcome Which is equivalent?()
Given that the elements of a PriorityQueue are ordered according to natural ordering,and: https://assets.asklib.com/images/image2/2018080111451082622.png What is the result?()
public class Test { public static void main(String [] args) { boolean assert = true; if(assert) { System.out.println(”assert is true”); } } } Given: javac -source 1.3 Test.java What is the result?()
1. public class A { 2. public String doit(int x, int y) { 3. return “a”; 4. } 5. 6. public String doit(int... vals) { 7. return “b”; 8. } 9. } Given: 25. A a=new A(); 26. System.out.println(a.doit(4, 5)); What is the result?()
Given: 11.String test = "This is a test"; 12.String[] tokens = test.split("\s"); 13.System.out.println(tokens.length); What is the result?()
Given: 11.<% 12.request.setAttribute("vals", new String[]{"1","2","3","4"}); 13.request.setAttribute("index", "2"); 14.%> 15.<%-- insert code here --%> Which three EL expressions, inserted at line 15,are valid and evaluate to "3"?()
Given 1. public class Foo { 2. public static void main (String [] args) } 3. try { return;} 4. finally { Syste.out.printIn (“Finally”);} 5. } 6. } What is the result()?
Given this method in a class: public String toString() { StringBuffer buffer = new StringBuffer(); buffer.append(‟<‟); buffer.append(this.name); buffer.append(‟>‟); return buffer.toString(); } Which is true?()
Given an HttpServletRequest request: 22.String id = request.getParameter("jsessionid"); 23.// insert code here 24.String name = (String) session.getAttribute("name"); Which three can be placed at line 23 to retrieve anexisting HttpSession object?()
Given: 11.String test = "Test A. Test B. Test C."; 12.// insert code here 13.String[] result = test.split(regex); Which regular expression, inserted at line 12,correctly splits test into "Test A","Test B",and "Test C"?()
Given: 11.String test = "a1b2c3"; 12.String[] tokens = test.split("\\d"); 13.for(String s: tokens) System.out.print(s + " "); What is the result?()
Given: 12.String csv = "Sue,5,true,3"; 13.Scanner scanner = new Scanner( csv ); 14.scanner.useDelimiter(",");15. int age = scanner.nextInt(); What is the result?()
String[] elements={"for","tea","too"}; String first=(elements.length>0)?elements[0]null; What is the result?()
Given:11.publicstaticvoidmain(String[]args){12.Objectobj=newint[]{1,2,3};13.int[]someArray=(int[])obj;14.for(inti:someArray)System.out.print(i+"");15.}Whatistheresult?()
fetchwikipedia方法接受一个string类型的url为参数并返回一个elements集合,该集合包含文本内容的每一段的一个DOM元素。()
Given the uncompleted code of a class:class Person { String name, department; int age; public Person(String n){ name = n; } public Person(String n, int a){ name = n; age = a; } public Person(String n,
Given a class Repetition:1.package utils;2.3.public class Repetition{4.public static String twice(Strings){returns+s;}5.}and given another class Demo:1.//insert code here2.3.public class Demo{4.public static void main(String[]args){5.System.out.println(twice("pizza"));6.}7.}Which code should be inserted at line 1 of Demo.java to compile and run Demo to printpizzapizza”?()