最直接的方法是使用循环逐个检查数组中的每个元素。 publicclassCheckStringInArray{publicstaticvoidmain(String[]args){String[]fruits={"apple","banana","orange","grape","watermelon"};Stringtarget="orange";booleanfound=false;for(Stringfruit:fruits){if(fruit.equals(target)){found=true;break;}}if(fou...
1.1 Check if a String Array contains a certain value “A”. StringArrayExample1.java package com.mkyong.core; import java.util.Arrays; import java.util.List; public class StringArrayExample1 { public static void main(String[] args) { String[] alphabet = new String[]{"A", "B", "C"}...
1.1 Check if a String Array contains a certain value “A”. StringArrayExample1.java package com.mkyong.core; import java.util.Arrays; import java.util.List; public class StringArrayExample1 { public static void main(String[] args) { String[] alphabet = new String[]{"A", "B", "C"}...
private static void check(int[] arr, int toCheckValue) { boolean test = false; for (int element : arr) { if (element == toCheckValue) { test = true; break; } } System.out.println("Is " + toCheckValue + " present in the array: " + test); } public static void main(String[...
Step 1: Create a boolean array of size 26 to track the presence of each letter. Step 2: We first assume the given string is a pangram. For this, initialize an integer flag to 1. Step 3: Iterate through each character in the String using Loop. Step 4: If the character is a letter...
Make sure to change theif-conditionto a matching equality check if we are using object types. String[]stringArray=newString[]{"A","B","C","D","E"};booleanfound=false;StringsearchedValue="B";for(Stringx:stringArray){if(x.equals(searchedValue)){found=true;break;}} ...
In Java 8 or higher, you can also use the Stream API to check if a value exists in an array as shown below: String[] names = {"Atta", "John", "Emma", "Tom"}; // check if `Atta` exists in list boolean exist = Arrays.stream(names).anyMatch("Atta"::equals); if(exist) { ...
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We are given an array and element.Our goal is to check if array contains the element. For instance, given an array[PowerShell", "Java", "PHP"], we want to check if the string"Java"is an element of this array. This simple query opens up a range of important considerations such as ...
This post will discuss how to check if an index exists in Java array... The ArrayIndexOutOfBoundsException is thrown whenever we're trying to access an array index that is either negative or greater than or equal to the size of the array.