Constructor Overloading: Java makes constructor overloading possible via which you can define multiple constructors in class accompanied by different parameters. It makes object initialization ...

ArrayList.java holds the constructors, instance data, and methods of the ArrrayList object. ArrayListTester.java contains a file used in order to test if ArrayList.java is working as intended.

constructor：没有写constructor有默认constructor，写了没有默认constructor 访问static final constant (compile-time constant) ,that value can be read without causing the Initable class to be initialized.但是static ...