class NumberTest{
public static void main(String[] args) {
System.out.print("25+3=");
System.out.print(25+3);
System.out.println();
System.out.println("A+B");
System.out.println("A"+"B");
System.out.println("25+3=" + (25 + 3));
System.out.println();
System.out.println(" 'A'+3 = " + ('A'+3));
System.out.println(" 'A'+3 = " + (char) ('A'+3)); //형변환
System.out.println(" \"A\"+3 = " + ("A"+3));
System.out.println();
System.out.println( ('A'+0) + "\t" + ('A'+32) );
System.out.println( (char)('A'+0) + "\t" + (char)('A'+32) );
}
}