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how to create synchronized list in java?


The java.util.Collections class consists exclusively of static methods that operate on or return collections. It contains polymorphic algorithms that operate on collections, “wrappers”, which return a new collection backed by a specified collection, and a few other odds and ends.

Collections.synchronizedList() method will returns a synchronized (thread-safe) list backed by the specified list. In order to guarantee serial access, it is critical that all access to the backing list is accomplished through the returned list.
Syntax :public static List synchronizedList(List list)

Example

package com.codesjava;
 
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
 
public class Test { 
    public static void main(String a[]){         
        List<String> list = new ArrayList<String>();
        List<String> synList = Collections.synchronizedList(list);
        System.out.println("Synchronized list got created");
    }
}

Output

Synchronized list got created

Java Collections class examples



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