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Some cool tricks in Java
Java☝:: A most beautiful and powerful programming language👌.
as much as you'll deep dive into Java you'll learn something new.
Here are some Amazing and cool trick's -
1-
Do you know what will be the output of the below statement? 👇
System.out.println(0123);
o/p = 83 but why?
o/p = 83 but why?
Click on Below - 👇👇👇
2- Java String
Concatenation - concat() Vs the + Operator
concat() --
if want to concat str1 with str2 where str1 is null.
str1 = null;
str2 = "javaoneworld";
str1.concat(str2);
you'll get NullPointerException👎👎.if want to concat str1 with str2 where str1 is null.
str1 = null;
str2 = "javaoneworld";
str1+str2;
you'll not get NullPointerException instead you'll get some output😅😀.
o/p - nulljavaoneworldFollow the below beautiful url for some more cool tricks.
How to execute commented code? and more.Thanks a bunch for being here.
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