The first occurrence of Geeks is at index:0 The second occurrence of Geeks is at index:0 程序2:演示IndexOutOfBoundsException // Java code to illustrateindexOf()importjava.util.*;publicclassStackDemo{publicstaticvoidmain(String args[]){// Creating an empty StackStack<Integer> stack =newStack...
String.LastIndexOf Method Reference Feedback Definition Namespace: Java.Lang Assembly: Mono.Android.dll Overloads 展开表 LastIndexOf(Int32) Returns the index within this string of the last occurrence of the specified character. LastIndexOf(String) ...
The indexOf() method returns the index of the first occurrence of the specified character/substring within the string. Example class Main { public static void main(String[] args) { String str1 = "Java is fun"; int result; // getting index of character 's' result = str1.indexOf('s...
Java.Util Assembly: Mono.Android.dll Returns the starting position of the first occurrence of the specified target list within the specified source list, or -1 if there is no such occurrence. C# [Android.Runtime.Register("indexOfSubList","(Ljava/util/List;Ljava/util/List;)I","")]publicst...
As expected, theindexOf()method returns 7 because that is the first occurrence of the character ‘o’ after the index position 5. Assertions.assertEquals(7,str.indexOf('o',5)); 3. NULL is Not Allowed Passing thenullargument is not allowed, and It will result inNullPointerException. ...
Write a program to find the index of the first and last occurrence of a number. Modify the program to return the index using binary search. Write a program to find the closest index where an element could be inserted. Java Code Editor: ...
Finds the first occurrence of the specified value within the specified array. ArrayIndexOutOfBoundsException - Exception in java.lang A Java Card runtime environment-owned instance of ArrayIndexOutOfBoundsException is thrown to indicate that an array has been accessed with an illegal index. ArrayIn...
public int indexOf (String s); public int indexOf (String s, int st_idx); StringBuilder Class indexOf() methodindexOf() method is available in java.lang package. indexOf (String s) method is used to search the index within this string of the first occurrence of the given string. ...
2. ArrayList lastIndexOf() Example The following Java program gets the last index of arraylist. In this example, we are looking for last occurrence of strings “alex” and “hello“. The String ‘alex‘ occurs thrice in the list, the second occurrence is at index position 6. ...
In the following example, we are fetching the first occurrence index of 2 in the specified array using the JavaScript Array indexOf() method.Open Compiler const numbers = [2, 5, 6, 2, 7, 9, 6]; const result = numbers.indexOf(2); document.getElementById("demo").innerHTML = ...