Answer / kandavel

class conc
{
public static void main(String args[])
{
String a="kanda",b="Vel",c;
c=a+b;
System.out.println(" Concat String :"+c);
}}

//This program must save the file name is conc.java

Answer / sreekanth

public class StringConcat{
public static void main(String args[]){
String str1="abc";
String str2="def";
String str3=str1.concat(str2);
System.out.println(str3);
}}

Answer / ashwini kumar vatsa

In java first all the integer or float etc declared are
converted into string so when we write
System.out.println("the name is"+x);where x is any primitive
type then first x is converted into string then it
concatenates with the other string so for concatenations
with other string we must have +operator.
class xyz{
static int x;
public static void main(String args[]){
xyz yz=new xyz();
yz.x=10;
System.out.println("the output is"+x);//here concat done
}
}

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