Chapter 4.4, Problem 4.4.3CP

Given statements:

System.out.println("1"+1);

Explanation:

The above statement will print “11”. In java “+” is used to merge the java strings using “+” operator. So while executing the statement, the string “1” is concatenate with number “1”.

Given statements:

System.out.println('1' + 1);

Explanation:

The above statement will return “50” as the Unicode of 1 is “49” and the value “1” gets added to “49” and results “50”.

Given statements:

System.out.println("1" + 1 + 1);

Explanation:

The above statement will return “111” as “1 + 1” will results to ‘11’due to the “+”operator and this value is concatenated with the number “1”.

Given statements:

System.out.println("1" + (1 + 1));

Explanation:

It force “(1+1)” to be executed first, as it is enclosed within the parenthesis so the value returned is “2”...