what is x[2].length in Prob7? public class Prob7 { public static void main(String[] args) { //...

Question

Question

what is x[2].length in Prob7? public class Prob7 { public static void main(String[] args) { //...

what is x[2].length in Prob7?

public class Prob7 {

public static void main(String[] args) {

// TODO Auto-generated method stub

boolean[][] x = new boolean[3][];

x[0] = new boolean[1];

x[1] = new boolean[2];

x[2] = new boolean[3];

System.out.printf("x[2][2] is %b." ,x[2][2]);

}

engineering Computer-Science

Add a comment Improve this question Transcribed image text

Answer 1

Answer #1

Please find my answer. Please let me know in case of any issue

what is x[2].length means lenght of 3rd row.

so, Ans: 3

Add a comment

Answer 2

Similar Homework Help Questions

import java.util.Scanner; public class TriangleMaker { public static void main(String[] args) { //...

import java.util.Scanner; public class TriangleMaker { public static void main(String[] args) { // TODO Auto-generated method stub System.out.println("Welcome to the Triangle Maker! Enter the size of the triangle."); Scanner keyboard = new Scanner(System.in); int size = keyboard.nextInt(); for (int i = 1; i <= size; i++) { for (int j = 0; j < i; j++) { System.out.print("*"); } System.out.println(); } for (int...
What does this program print? package javaapplication210; public class JavaApplication210 { public static void main(String[]args){ System.out.printf("Result...

What does this program print? package javaapplication210; public class JavaApplication210 { public static void main(String[]args){ System.out.printf("Result is: % d/n", mystery (-5, -9));//System.out.printf("Result is: % d/n", mystery (-4, -8));//System.out.printf("Result is: % d/n", mystery (-6, -7));//} public static int mystery(int a, int b) { if(b - 1) returns a; else return a + mystery(a, b + 1); } }
Revision Question Consider the following Java class: { public static void main (String [ ] args)...

Revision Question Consider the following Java class: { public static void main (String [ ] args) { ArrayQueue<Integer> queue; queue = new ArrayQueue<Integer> () ; Integer x, y ; x = 3; y = 6; queue.offer (x) ; queue.offer (12) ; queue.offer (y) ; y = queue.peek () ; queue.poll () ; queue. offer (x - 2) ; queue.offer (x) ; queue.offer (y + 4) ; System.out.println ("Queue Elements: ") ; while (! queue.empty() ) System.out.print (queue.poll () + "...

import java.util.Scanner; public class Lab6d { public static void main(String[] args) { Scanner scnr =...

import java.util.Scanner; public class Lab6d { public static void main(String[] args) { Scanner scnr = new Scanner(System.in); // TODO: get user choice // TODO: call printTable method passing choice as the parameter } public static void printTable(int stop) { // TODO: print header // TODO: loop to print table rows up to stop value } Write a Java program where the main () method prompts the user to select an integer value between 1 and...
public class PracticeExam { public static void main(String[] args) { int[][] data = { { 0,...

public class PracticeExam { public static void main(String[] args) { int[][] data = { { 0, 1, 2, 3, 4, 5, 6 }, { 0, 1, 2, 3, 4, 5, 6 }, { 0, 1, 2, 3, 4, 5, 6 }, { 0, 1, 2, 3, 4, 5, 6 }, { 0, 1, 2, 3, 4, 5, 6 }, { 0, 1, 2, 3, 4, 5, 6 }, { 0, 1, 2, 3, 4, 5, 6 }, { 0, 1,...
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...

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"); } }
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; } }
import java.util.Random; import java.util.ArrayList; /** * */ public class hw5_task8 { public static void main(String[] args)...

import java.util.Random; import java.util.ArrayList; /** * */ public class hw5_task8 { public static void main(String[] args) { int[] grades = randomIntArr(10); printIntArray("grades", grades); ArrayList<Integer> indexesF_AL = selectIndexes_1(grades); System.out.println(" indexesF_AL: " + indexesF_AL); int[] indexesF_Arr = selectIndexes_2(grades); printIntArray("indexesF_Arr",indexesF_Arr); } public static int[] randomIntArr(int N){ int[] res = new int[N]; Random r = new Random(0); for(int i = 0; i < res.length; i++){ res[i] = r.nextInt(101); // r.nextInt(101) returns an in in range [0, 100] } return res; } public static void...

What is the output of following program: public class Test{ public static void main(String[] args) {...

What is the output of following program: public class Test{ public static void main(String[] args) { A a = new A(): a method B(): } } class A{ public A(){ System out println("A's constructor is executed"): } public void method(){ System out printin ("methodA is executed"): } public void methodAB(){ System out printin ("As methodAB is executed"): } } class B extends A { private int num = 0: public B (){ super(): System out printin ("B's constructor is executed"):...

what is x[2].length in Prob7? public class Prob7 { public static void main(String[] args) { //...

Homework Answers

Add Answer to:
what is x[2].length in Prob7? public class Prob7 { public static void main(String[] args) { //...

Post as a guest

Earn Coins

import java.util.Scanner; public class TriangleMaker { public static void main(String[] args) { //...

What does this program print? package javaapplication210; public class JavaApplication210 { public static void main(String[]args){ System.out.printf("Result...

Revision Question Consider the following Java class: { public static void main (String [ ] args)...

import java.util.Scanner; public class Lab6d { public static void main(String[] args) { Scanner scnr =...

public class PracticeExam { public static void main(String[] args) { int[][] data = { { 0,...

Consider the following codes: public class TestThread extends Thread { public static void main(String[] args)...

What is the Java output? Part One: class Driver { public static void main(String[] args) {...

What is wrong the following code? Explain. public class Test { public static void main(String[] args)...

import java.util.Random; import java.util.ArrayList; /** * */ public class hw5_task8 { public static void main(String[] args)...

What is the output of following program: public class Test{ public static void main(String[] args) {...

what is x[2].length in Prob7? public class Prob7 { public static void main(String[] args) { //...

Homework Answers

Add Answer to: what is x[2].length in Prob7? public class Prob7 { public static void main(String[] args) { //...

Post as a guest

Earn Coins

Add Answer to:
what is x[2].length in Prob7? public class Prob7 { public static void main(String[] args) { //...