許家豪Java Data Types 資料型態

/*許家豪資料型態*/ public class Main { public static void main(String[] args) { int myNum = 5; //宣告整數 integer (whole number),4位元組位元組bytes float myFloatNum = 5.99f; //浮點數=實數 floating point number,4位元組位元組bytes char myLetter = 'D', littlePig = 'g'; //*字元 character=角色,2位元組bytes=16位元bits*/ boolean myBool = true; //布林 boolean,1位元bit,0或1,false or true String myText = "許家豪"; //字串 String,非原形資料,長度變動的 System.out.println(myNum); //系統的.輸出的.列印print且換列ln=line System.out.println(myFloatNum); System.out.println(myLetter); System.out.println(myBool); System.out.println(myText); for (int k=1; k<10; k=k+3) System.out.print(k + " "); } }