1 . cannot convert from int to byte
π μ½λ
package chapter02;
public class ch02_2 {
public static void main(String[] args) {
// TODO Auto-generated method stub
byte a = 128; //λ³μμ μΈ λ° μ΄κΈ°ν
//μ¬λ£μμ§
int b = a;
System.out.println(b);
}
}
π νμ΄ λ°©λ²
μλ°μμλ κ°μ₯ μμ ν¬κΈ°μ λ°μ΄ν° νμ μΈ byteλ - 128 ~ 127κΉμ§ μ μ₯ κ°λ₯ν κ°μ λ²μκ° μκΈ° λλ¬Έμ byte, short, charκ° intλ³΄λ€ μμ λ²μλ₯Ό κ°μ§λ€. int κ°μ byteλ‘ λ³νν λ λ°μ΄ν° μμ€μ κ°λ₯μ±μ΄ μκ³ λ°λΌμ λͺ μμ μΈ νλ³ν(casting)μ μ¬μ©νμ¬ int κ°μ byteλ‘ λ³νν΄μΌ νλ€.
π¨π»π» κ²°κ³Ό
Type mismatch: cannot convert from int to byte