2014-11-27-2008-java-variable naming and typing

I. Hump type. For example: Myarg;

Two. Types are divided into two categories:1. Basic type (value [Note: float Bianliang_1=1.333f;char bianliang_2= ' I love you ';], character, Boolean) 2. Reference type (class, interface, array);

three . String is a common reference data type;

Four. Variables in Java can only be assigned one value;

Five. 1.int i=0;

for (; i<100;i++) {}; can be omitted;

2. for (i=0;; i++) {}; Omit to be prone to die loops, with "break;"

3.for (i=0;i<100;) {i++};

2014-11-27-2008-java-variable naming and typing