import java.util.ArrayList; import java.util.List; public class RemoveZeroes { public static void main(String[] args) { ArrayList a = new ArrayList(); // Add some integers to the array list a.add(14); a.add(0); a.add(19); a.add(3); a.add(15); a.add(0); a.add(18); a.add(0); a.add(44); a.add(0); a.add(51); a.add(78); // You can also create an Integer wrapper explicitly and add to the array list a.add(new Integer(83)); // Print the array list - Not the use of the size() method and the get() method for (int i = 0; i < a.size(); i++) { System.out.print(a.get(i) + " "); } System.out.println(); // Remove the 0 elements ArrayList aNoZeros = removeZeros(a); // Print ArrayList a again to see new elements. for (int i = 0; i < aNoZeros.size(); i++) { System.out.print(aNoZeros.get(i) + " "); } System.out.println(); } public static ArrayList removeZeros(ArrayList p) { // The easy way: Create a new array list and // only copy the non-zero numbers into it. Use a for loop //-----------Start below here. To do: approximate lines of code = 5 // // Return the newly created array list } }
import java.util.ArrayList; import java.util.List; public class RemoveZeroes { public static void main(String[] args) { ArrayList a = new ArrayList(); // Add some integers to the array list a.add(14); a.add(0); a.add(19); a.add(3); a.add(15); a.add(0); a.add(18); a.add(0); a.add(44); a.add(0); a.add(51); a.add(78); // You can also create an Integer wrapper explicitly and add to the array list a.add(new Integer(83)); // Print the array list - Not the use of the size() method and the get() method for (int i = 0; i < a.size(); i++) { System.out.print(a.get(i) + " "); } System.out.println(); // Remove the 0 elements ArrayList aNoZeros = removeZeros(a); // Print ArrayList a again to see new elements. for (int i = 0; i < aNoZeros.size(); i++) { System.out.print(aNoZeros.get(i) + " "); } System.out.println(); } public static ArrayList removeZeros(ArrayList p) { // The easy way: Create a new array list and // only copy the non-zero numbers into it. Use a for loop //-----------Start below here. To do: approximate lines of code = 5 // // Return the newly created array list } }
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
Related questions
Question
import java.util.ArrayList;
import java.util.List;
public class RemoveZeroes
{
public static void main(String[] args)
{
ArrayList<Integer> a = new ArrayList<Integer>();
// Add some integers to the array list
a.add(14); a.add(0); a.add(19); a.add(3);
a.add(15); a.add(0); a.add(18); a.add(0);
a.add(44); a.add(0); a.add(51); a.add(78);
// You can also create an Integer wrapper explicitly and add to the array list
a.add(new Integer(83));
// Print the array list - Not the use of the size() method and the get() method
for (int i = 0; i < a.size(); i++)
{
System.out.print(a.get(i) + " ");
}
System.out.println();
// Remove the 0 elements
ArrayList<Integer> aNoZeros = removeZeros(a);
// Print ArrayList a again to see new elements.
for (int i = 0; i < aNoZeros.size(); i++)
{
System.out.print(aNoZeros.get(i) + " ");
}
System.out.println();
}
public static ArrayList<Integer> removeZeros(ArrayList<Integer> p)
{
// The easy way: Create a new array list and
// only copy the non-zero numbers into it. Use a for loop
//-----------Start below here. To do: approximate lines of code = 5
//
// Return the newly created array list
}
}
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