/Java/How to replace an element in array in java

How to replace an element in array in java

Arraylist replace value java

list.set(1,"new value");

//example ..

List<String> list = new ArrayList<>();
list.add("one");
list.add("two");
list.add("three");
System.out.println(list); // [one,two,three]
list.set(1,"new");
System.out.println(list); //[one,new,three]

How to replace an element in array in java

class array{
  public static void main(String[] args){
    int arr[] = {1,2,3,4};
    System.out.println("Before update" + arr[2]);
    arr[2] = 9;//updating the value
    System.out.println("After update" + arr[2]);
  }
}

/*output:-
Before update3
After update9*/

Similar codes

0 vote282 views1 answer
Java create an instance of a stack
Java
0 vote320 views2 answers
Required a bean of type 'org.springframework.mail.javamail.JavaMailSender
Java Spring
3 votes247 views1 answer
Java console write
Java
0 vote261 views2 answers
Transform primitive float array to Float array
Java
1 vote258 views1 answer
Set html text android java
Java
0 vote261 views2 answers
Find where JAVA_HOME is set
Java
2 votes254 views1 answer
Java do something after x seconds without stopping everything else
Java
0 vote265 views1 answer
Spigot deal damage
Java
4 votes261 views4 answers
Java code examples
Java
1 vote254 views1 answer
Java divisible by operator
Java