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What is the result of compiling and running the following program.
public class test {
public static void main(String args[]) {
String str1="abc";
String str2="def";
String str3=str1.concat(str2);
str1.concat(str2);
System.out.println(str1);
}
}
public class test {
public static void main(String args[]) {
String str1="abc";
String str2="def";
String str3=str1.concat(str2);
str1.concat(str2);
System.out.println(str1);
}
}Aabc
Bdef
Cabcabc
Dabcdef
Edefabc
Answer: Option (Login/Signup)
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Don't get confused by line no. 6 i.e, str1.concat(str2);
We are concatinating str1 with str2, but the resultant string having the content as "abcdef" has no reference. It's definitely not that str1 refers to "abcdef"
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The output is abc, because the content of str1 is "abc".
Don't get confused by line no. 6 i.e, str1.concat(str2);
We are concatinating str1 with str2, but the resultant string having the content as "abcdef" has no reference. It's definitely not that str1 refers to "abcdef"
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