Student(int num, String name){ this.num = num; = name; } } 编译结果: Exception in thread "main" java.lang.ClassCastException: Student cannot be cast to java.lang.Comparable at java.util.Arrays.mergeSort(Arrays.java:1144) at java.util.Arrays.sort(Arrays.java:1079) at Array.main(Array...
public class Main{ public static int findArrayIndex(String[] arr, String str) { int iReturn = -1; for (int i = 0; i < arr.length; i++) { if (arr[i].equals(str)) { iReturn = i;//from w ww.j a va2s.c o m break; } } return iReturn; } } ...
在这个问答内容中,你使用了find和string,但是没有具体说明你在使用这两个函数时出现了什么问题。因此,我无法给出具体的答案。请提供更多细节,例如你的代码、错误信息或期望的结果,以便我能够帮助你找出问题所在并给出解决方案。 相关搜索: range()和in_array()行为,我在这里做错了什么? 我在这里做错了什么?While...
JAVA的find方法findjava linux中的find命令:find文件路径 -name 要查找的文件名字1 String xml = tmp+".xml"; 2 String[] command = {"find","/media/data/xml","-name", xml}; 3 Process p = Runtime.getRunti JAVA的find方法 xml find命令 ...
h:257 0x0804a8d9 in std::string::find (this=0xbfb54a10, __s=0x804b8f2 "2", __pos=4294967295) at /usr/include/c++/4.1.2/bits/basic_string.h:1579 1579 return this->find(__s, __pos, traits_type::length(__s)); Value returned is $1 = 1 (gdb) s std::string::find (...
importjava.util.Scanner; publicclassFinder { publicstaticvoidmain(Stringargs[]) { intlrg,size,i; intnumArr[]=newint[50]; Scannerscan=newScanner(System.in); System.out.print("Enter Array Size : "); size=scan.nextInt(); System.out.print("Enter Array Elements : "); ...
import java.util.*; // Define a class named Exercise24. public class Exercise24 { // The main method for executing the program. public static void main(String[] args) { // Declare variables for total number and an array of integers. int total_num; int[] numbers = new int[]{1, 2...
Java Code: importjava.util.*;publicclassMain{publicstaticvoidmain(String[]args){// Create an array of integersint[]nums={1,2,4,5,6};inttarget=5;// target = 0;// target = 7;// Call the searchInsert function and print the resultSystem.out.print(searchInsert(nums,target));}publicsta...
Here, we are implementing a java program that will read a string and check the palindrome words in string also find the occurrences of words in a given string. Submitted by Chandra Shekhar, on January 08, 2018 Given a string and we have to find occurrences of palindrome words using java ...
//结果:30,因为30是数组numbers中第一个大于25的元素。 1. 2. 3. 4. 参数: callback(element, index, array):接收当前元素、索引和原数组作为参数,需返回布尔值。 thisArg(可选):指定回调函数中的 this 上下文。 特点: 短路操作:找到第一个匹配项后立即停止遍历。