// Find sum and average of two numbers in Java import java.util.*; public class Numbers { public static void main(String args[]) { int a, b, sum; float avg; Scanner buf = new Scanner(System.in); System.out.print("Enter first number : "); a = buf.nextInt(); System.out....
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//Java Program to Find Average of N Numbers import java.util.Scanner; //Program uses Scanner class public class Average { public static void main(String[] args) { int n,num,sum=0, i; //create scanner object to obtain input from keyboard Scanner input =new Scanner(System.in); System....
DoubleSummaryStatistics> userAvgWageByAge = userDemoList.stream() .collect(Collectors.groupingBy(UserDemo::getAge, Collectors.summarizingDouble(s -> s.getWage().doubleValue())); userAvgWageByAge.forEach((k, v) -> System.out.println(String.format("年龄:%d,平均工资:%f", k, v.getAverage()...
List<String>numbersList=Stream.of("One","Two","Three").collect(ArrayList::new,ArrayList::add,ArrayList::addAll);Deque<String>numbersDeque=Stream.of("One","Two","Three").collect(ArrayDeque::new,ArrayDeque::add,ArrayDeque::addAll);String numbersString=Stream.of("One","Two","Three").collec...
So, for example, you could sum the values prior to dividing by the number of elements in the stream to obtain an average age. Given the new APIs, it’s easiest to just use the built-in methods, as shown in Listing 19.Listing 19Copy Copied to Clipboard Error: Could not Copy int sum...
Else, the average of the two middle elements. m=(a[n/2-1]+a[n/2])/2; 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 class Median { public static void main(String arg[]) { int n=5; double a[]=new double[n]; a[0]=10; a[1]=20...
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.in); System.out.print("Enter three numbers: "); double number1 = input.nextDouble(); double number2 = input.nextDouble(); double number3 = input.nextDouble(); // Compute average double average = (number1 + number2 + number3) / 3; // Display result System.out.println(average); }...
Java How To'sAdd Two Numbers Count Words Reverse a String Sum of Array Elements Convert String to Array Sort an Array Find Array Average Find Smallest Element ArrayList Loop HashMap Loop Loop Through an Enum Area of Rectangle Even or Odd Number Positive or Negative Square Root Random Number ...