Homework Answers
C. The code executes normally and prints "bar".
Explanation:
Here a thread is created that prints "bar" and is invoked using start(). This program executes and just prints "bar".
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1. public class Threads5 { 2. public static void main (String[l args) 3. new Thread(new Runnable()...
Consider the following codes: public class TestThread extends Thread { public static void main(String[] args)...
Consider the following codes: public class TestThread extends Thread { public static void main(String[] args) { TestThread thread = new TestThread(); } @Override public void run() { printMyName(); } private void printMyName() { System.out.println("Thread is running"); } } Test Stem / Question Choices 1: What method should you invoke to start the thread TestThread? A: start() B: run() C: No. Thread will run automatically when executed. D: TestThread is not...
1. Analyze the following code: public class Test implements Runnable { public static void main(String[] args) { Thread t = new Thread(this); t.start(); } public void run() { System....
1. Analyze the following code: public class Test implements Runnable { public static void main(String[] args) { Thread t = new Thread(this); t.start(); } public void run() { System.out.println("test"); } } 1. The code compiles but will not print anything since t does not invoke the run method. 2. The code will not compile since you cannot invoke "this" in a static method. 3. The program compiles, runs, and prints tests on the console. 2. What will the following example...
class Test public static void main(String args) { Aa=new AO: a.printo: class A private String s;...
class Test public static void main(String args) { Aa=new AO: a.printo: class A private String s; public A (String news) { 8 = news: public void print { System.out.println(s): The program would compile and run if you change A a new Alto Aa=new A('5'). The program has a compilation error because the instance variables in class A is not public. The program has a compilation error because class A does not have a no-arguments constructor The program compiles and runs...
1. What is the output when you run printIn()? public static void main(String[] args) { if...
1. What is the output when you run printIn()? public static void main(String[] args) { if (true) { int num = 1; if (num > 0) { num++; } } int num = 1; addOne(num); num = num - 1 System.out.println(num); } public void addOne(int num) { num = num + 1; } 2. When creating an array for primitive data types, the default values are: a. Numeric type b. Char type c. Boolean type d. String type e. Float...
What is the Java output? Part One: class Driver { public static void main(String[] args) {...
What is the Java output? Part One: class Driver { public static void main(String[] args) { int a = 5; int b = 3; if (a < b || a * 2 < b) System.out.print(a - b); System.out.print(b + a); } } Part Two: class Driver { public static void main(String[] args) { int a = 5; int b = 8; if (a < b) if (a * 2 < b) System.out.print("foo"); else System.out.print("bar"); else System.out.print("buz"); } }
Given 5. import java.util. 6. public class Sortof 7. public static void main(Stringl args) [ 8. ArrayList Integer> anew ArrayList Integer 0 9. a.add(1); а.add(5); a.add(3); 11. Collections.sort(a)...
Given 5. import java.util. 6. public class Sortof 7. public static void main(Stringl args) [ 8. ArrayList Integer> anew ArrayList Integer 0 9. a.add(1); а.add(5); a.add(3); 11. Collections.sort(a) 12. a.add(2); 13. Collections.reverse(a) 14. System.out.printin (a) 15 16 What is the result? B. 12, 1, 3, 5] C. 12, 5, 3, 1] E. [1, 3, 5, 2 F. Compilation fails G. An exception is thrown at runtime
Given 5. import java.util. 6. public class Sortof 7. public static void main(Stringl args)...
10. What prints when the following code is executed? public static void main (String args) "Cattywampus"; for (...
10. What prints when the following code is executed? public static void main (String args) "Cattywampus"; for (int i-s.length )-1 i> 0 i-2) if (s.charAt (i)a') System.out.print(""); ] else if (s.charAt (i)'t') System.out.print (s.charAt (i-2)) i+ti else System. out. print (s . charAt (İ) ) ; if (i<2) System.out.print ("y"); System.out.println ()
10. What prints when the following code is executed? public static void main (String args) "Cattywampus"; for (int i-s.length )-1 i> 0 i-2) if (s.charAt (i)a') System.out.print(""); ]...
What is wrong the following code? Explain. public class Test { public static void main(String[] args)...
What is wrong the following code? Explain. public class Test { public static void main(String[] args) { A a = new A(5.0); } class A { int value = 2; } }
Question 28 public class Main public static void main(String args[]) { Iparentp=new Child (1.2); p.printo: interface...
Question 28 public class Main public static void main(String args[]) { Iparentp=new Child (1.2); p.printo: interface Iparent public int x = 1; public void printo: class Child implements Iparent private int y public Child(int a, int b) y b: public void printot System.out.print("Child"-yl: Child 2 public int x = 1; public void print(); class Child implements Iparent! private int y public Child(int a, in lb) y=b; public vold print! System.out.pnt("Child"+y): Child 2 1 None of the above • Previous
Given: public class ItemTest { private final int id; public ItemTest(int id) { this.id = id;...
Given: public class ItemTest { private final int id; public ItemTest(int id) { this.id = id; } public void updateId(int newId) { id = newId; } public static void main(String[] args) { ItemTest fa = new ItemTest(42); fa.updateId(69); System.out.println(fa.id); } } What is the result? A. Compilation fails. B. An exception is thrown at runtime. C. The attribute id in the ItemTest object remains unchanged. D. The attribute id in the ItemTest object is modified to the new value. E....
class Test public static void main(String args) { Aa=new AO: a.printo: class A private String s; public A (String news) { 8 = news: public void print { System.out.println(s): The program would compile and run if you change A a new Alto Aa=new A('5'). The program has a compilation error because the instance variables in class A is not public. The program has a compilation error because class A does not have a no-arguments constructor The program compiles and runs...
Given 5. import java.util. 6. public class Sortof 7. public static void main(Stringl args) [ 8. ArrayList Integer> anew ArrayList Integer 0 9. a.add(1); а.add(5); a.add(3); 11. Collections.sort(a) 12. a.add(2); 13. Collections.reverse(a) 14. System.out.printin (a) 15 16 What is the result? B. 12, 1, 3, 5] C. 12, 5, 3, 1] E. [1, 3, 5, 2 F. Compilation fails G. An exception is thrown at runtime
Given 5. import java.util. 6. public class Sortof 7. public static void main(Stringl args)...
10. What prints when the following code is executed? public static void main (String args) "Cattywampus"; for (int i-s.length )-1 i> 0 i-2) if (s.charAt (i)a') System.out.print(""); ] else if (s.charAt (i)'t') System.out.print (s.charAt (i-2)) i+ti else System. out. print (s . charAt (İ) ) ; if (i<2) System.out.print ("y"); System.out.println ()
10. What prints when the following code is executed? public static void main (String args) "Cattywampus"; for (int i-s.length )-1 i> 0 i-2) if (s.charAt (i)a') System.out.print(""); ]...
Question 28 public class Main public static void main(String args[]) { Iparentp=new Child (1.2); p.printo: interface Iparent public int x = 1; public void printo: class Child implements Iparent private int y public Child(int a, int b) y b: public void printot System.out.print("Child"-yl: Child 2 public int x = 1; public void print(); class Child implements Iparent! private int y public Child(int a, in lb) y=b; public vold print! System.out.pnt("Child"+y): Child 2 1 None of the above • Previous
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