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Category: Java
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A simple Java program to find Largest and Smallest number in a Java List. Let’s see the program first,
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import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.List; /** * * @author agurchand */ public class LargeSmallNumber { /** * @param args the command line arguments */ public static void main(String[] args) throws IOException { //create buffer to capture input BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); //define list and integers List list = new ArrayList(); int len, largest, smallest, number; //get the limit from user System.out.println("Enter the limit (Better give below 10): "); len = Integer.parseInt(in.readLine()); //get the list from user System.out.println("Now enter the list:"); for (int i = 0; i < len; i++) { list.add(Integer.parseInt(in.readLine())); } //assign the first value of list into largest, smallest largest = (int) list.get(0); smallest = (int) list.get(0); //now loop through each list and find largest and smallest number in the list for (Object list1 : list) { number = (int) list1; if (number > largest) { largest = number; } else if (number < smallest) { smallest = number; } } System.out.println("Largest Number is : " + largest); System.out.println("Smallest Number is : " + smallest); } } |
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