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char c = 'a';
System.out.println(c.getBytes().lenth());
Character.charCount();
//单位为bit
System.out.println("char:" + Character.SIZE);
System.out.println("int:" + Integer.SIZE);
System.out.println("short:" + Short.SIZE);
System.out.println("long:" + Long.SIZE);
System.out.println("byte:" + Byte.SIZE);
System.out.println("float:" + Float.SIZE);
System.out.println("double:" + Double.SIZE);
输出结果为:
char:16
int:32
short:16
long:64
byte:8
float:32
double:64