JavaSE8 Basic static code block simple example

Os:windows7 x64
Jdk:jdk-8u131-windows-x64
Ide:eclipse Oxygen Release (4.7.0)

Code:

Class Test {/** is a member position in a class, you can initialize the class with the static modifier * Instead of initializing the object. He already exists before the object is available. * Execute only once in */static{//static code block SYSTEM.OUT.PRINTLN ("code in static code blocks executes first and only once");} Public Test () {System.out.println ("parameterless constructor Execution");} public Test (int num) {System.out.println ("with parameter constructor execution");}} Class Demo {public static void main (string[] agrs) {Test T1 = new Test ();//Call the parameterless constructor System.out.println ("------------------ -"); Test t2 = new test (1);//Call a parameter constructor}}

Results:

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JavaSE8 Basic static code block simple example