//print all prime numbers within a numberimport java.util.Scanner;publicclassNumbers {publicstaticvoidmain(String[] args) {intbeg, end; Scanner ip=newScanner(System.in); System.out.print("Enter the beginning value:"); beg=ip.nextInt(); System.out.print("Enter the ending value:"); end=...
1 public class PrimeNumberMethod { 2 3 public static void main(String[] args) { 4 // TODO Auto-generated method stub 5 System.out.println("The first 50 prime numbers are:"); 6 printPrimeNumbers(50); 7 } 8 public static void printPrimeNumbers(int numberOfPrimes){ 9 final int NUMBER...
通过先计算一定数量的素数，放在一个数组中，然后从小到大遍历，若是n-a=b，若a和b都在数组中，则满足题目条件。
class Prime { public static void main(String arg[]) { int i,count; System.out.print("Enter n value : "); Scanner sc=new Scanner(System.in); int n=sc.nextInt(); System.out.println("Prime numbers between 1 to "+n+" are "); for(int j=2;j<=n;j++) { count=0; for(i=...
primeNumbers.add(number);} } System.out.println("100以内的质数：");for (int prime : primeNumbers) { System.out.print(prime + " ");} } } // 检查一个数是否为质数 public static boolean isPrime(int number) { if (number <= 1) { return false;} if (number <= 3) { re...
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System.out.println("Print language whose length greater than 4:"); filter(languages, (str)->str.length() > 4); } public static void filter(List names, Predicate condition) { for(String name: names) { if(condition.test(name)) { ...
System.out.print(Enterlengthofthecylinder:”); doublelength=input.nextDouble(); doublevolume=radius*radius*3.14159*length; System.out.println(Thevolumeofthecylinderis+volume); publicclassExercise2_4{ publicstaticvoidmain(String[]args){ //Prompttheinput ...
System.out.println("Lowest prime number in List : " + stats.getMin()); System.out.println("Sum of all prime numbers : " + stats.getSum()); System.out.println("Average of all prime numbers : " + stats.getAverage()); //11: 排序: ...
System.out.print("Enter second number: "); int num2 = scanner.nextInt(); double average = (num1 + num2) / 2.0; System.out.println("The average is: " + average); } } ``` 8. 多线程题 - 题目:创建一个简单的Java多线程程序,其中包含两个线程,每个线程打印自己的名称。 - 答案: ``...