Java SE笔记

java常用关键字

abstract	continue	for	new	switch
assert	default	if	package	synchronized
boolean	do	goto	private	this
break	double	implements	protected	throw
byte	else	import	public	throws
case	enum	instanceof	return	transient
catch	extends	int	short	try
class	finally	long	strictfp	volatile
char	final	interface	static	void
const	float	native	super	while

 

 

 

 

 

 

 

 

 

 

数据类型兼容

byte --> short --> int --> long --> float --> double

                           char

条件语句