Ming Lu
0
Q:

how to add strings in java

public class Concat {
    String cat(String a, String b) {
        a += b;
        return a;
    }
}
2
String firstName = "BarackObama";
String lastName = " Care";
//First way
System.out.println(firstName + lastName);
//Second way
String name = firstName + lastName;
System.out.println(name);
//Third way
System.out.println("BarackObama" + " Care");
-1

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