In Java, fields of an object are automatically initialized to "empty" values (null, zero, or false) if there is no explicit initializer clause. But local variables in a block of code are not automatically

Jun 1, 2016 · You can declare multiple variables, and initialize multiple variables, but not both at the same time: String one,two,three; one = two = three = ""; However, this kind of thing …

Nov 22, 2016 · The line you quoted refers only to local variables. Because in Java local variables don't need to be declared at the top of the scope but can be declared anywhere before they …

It also makes sense to consider final variables in such a situation. If you know what value a final variable will have at declaration, it makes sense to initialize it outside the constructors. …

Oct 23, 2015 · In the first example, why was the 3 instance variables declared outside the startGame() method. The only way to declare an instance variable is to do it outside a method. …

Oct 13, 2009 · Local variables and primitives should be initialized before use because you would know what to expect from the values. Historically, when a new variable was created it would …

Jul 9, 2018 · Instance and class (static) variables are automatically initialized to standard default values if you fail to purposely initialize them. Although local variables are not automatically …

Aug 13, 2013 · You are correct to state that the value is zero, or rather 0. This is because in Java, instance variables, which are variables that reside within a class, but not a method, do not …

Feb 7, 2013 · If you have do initialization of multiple variables or manipulation of multiple variables, you can achieve it by separating them with comma(,). for(int i=0, j=5; i < 5; i++, j--) …

Jan 10, 2012 · Declare and initialize variables in the same place, in the narrowest scope possible. As Donald Ervin Knuth told: "We should forget about small efficiencies, say about 97% of the …