public?class?Int_String_Char?{
?
	public?static?void?main(String[]?args)?{
		byte?a1=2;
		short?a2=2;
		int?a3=1;
		long?a4=2L;
		System.out.println(getType(a1));
		System.out.println(getType(a2));
		System.out.println(getType(a3));
		System.out.println(getType(a4));
		
		float?f=1.00f;
		double?d=1.00d;
		System.out.println(getType(f));
		System.out.println(getType(d));
		
		boolean?b=true;
		System.out.println(getType(b));
		
		char?c='a';
		System.out.println(getType(c));
		
		String?s="abc";
		System.out.println(getType(s));
	}
	
	private?static?String?getType(Object?a)?{
		return?a.getClass().toString();
?
	}
}


代碼運行結果：
class?java.lang.Byte
class?java.lang.Short
class?java.lang.Integer
class?java.lang.Long
class?java.lang.Float
class?java.lang.Double
class?java.lang.Boolean
class?java.lang.Character
class?java.lang.String

以上就是動力節點java培訓機構的小編針對“Java獲取變量的數據類型”的內容進行的回答，希望對大家有所幫助，如有疑問，請在線咨詢，有專業老師隨時為你服務。