publicclassPerfectNumber{publicstaticvoidmain(String[] args){intfactor=0;//统计因子之和//输出10000以内的完全数for(inti=1; i <=10000; i++) {for(intj=1; j <= i/2; j++) {// i/2为最大值,因不包含小数,if(i % j ==0){//求因数1和本身,2和i/2,3和i/3,不包括本身,所以最大遍...
public class PerfectNumber { public static void main(String[] args){ int factor = 0;//统计因⼦之和 //输出10000以内的完全数 for (int i = 1; i <= 10000; i++) { for (int j = 1; j <= i/2; j++) {// i/2为最⼤值，因不包含⼩数，if(i % j == 0){ //求因...
Write a Java program to compute the sum of proper divisors for numbers in a range recursively and classify each as abundant, deficient, or perfect. Write a Java program to find the smallest abundant number greater than a given input using iterative search. Write a Java program to count and ...
当然,你要是把int范围内的5个Perfect Number(第5个是33550336)都找出来了,直接做判断也行。 publicbooleancheckPerfectNumber3(intnum){int[] primes = {2,3,5,7,13};for(intp: primes) {if((1<< (p -1)) * ((1<< p) -1) == num) {returntrue; } }returnfalse; } 05 小结 算法专题目前...
2. Java Program to find deficient number publicclassMain { staticintdivsum(intn) { intsum =0; for(inti =1; i <= (Math.sqrt(n)); i++) { if(n % i ==0) { if(n / i == i) { sum = sum + i; }else{ sum = sum + i; ...
Write a Java program to test if a given number is a perfect cube. Write a Java program to find the next perfect square that is greater than a specified number. Write a Java program to count the number of perfect squares within a specified numerical range. Write a Java program to ...
JavaCV also comes with helper classes and methods on top of OpenCV and FFmpeg to facilitate their integration to the Java platform. Here is a small demo program demonstrating the most frequently useful parts: importjava.io.File;importjava.net.URL;importorg.bytedeco.javacv.*;importorg.bytedeco....
inJava ProgramsMarch 1, 2025Comments Offon Java: Validating a Phone Number Format String | Java Programs Java program to validate the phone number format in a perfect order with dashes. The following java program has written in multiple ways along with detailed algorithmic explanation with sample ...
JavaCV also comes with helper classes and methods on top of OpenCV and FFmpeg to facilitate their integration to the Java platform. Here is a small demo program demonstrating the most frequently useful parts: importjava.io.File;importjava.net.URL;importorg.bytedeco.javacv.*;importorg.bytedeco....
Dynamic binding--objects could come from anywhere, possibly across the network. You need to be able to send messages to objects without having to know their specific type at the time you write your code. Dynamic binding provides maximum flexibility while a program is executing ...