/* --------------------------------------------- インクリメントと代入演算子 Increment_01 --------------------------------------------- */ import java.io.*; class Increment_01 { public static void main(String[] args) throws Exception { BufferedReader inp = new BufferedReader (new InputStreamReader(System.in)); String keybd; int a,b; System.out.print("aはいくつ-->"); keybd=inp.readLine(); a=Integer.parseInt(keybd); System.out.print("a="+a+"\n"); ++a; System.out.print("\n++a 実行後\n"); System.out.print("a="+a+"\n"); a++; System.out.print("\na++ 実行後\n"); System.out.print("a="+a+"\n"); b=++a; System.out.print("\nb=++a 実行後\n"); System.out.print("a="+a+"\n"); System.out.print("b="+b+"\n"); b=a++; System.out.print("\nb=a++ 実行後\n"); System.out.print("a="+a+"\n"); System.out.print("b="+b+"\n"); b+=a; System.out.print("\nb+=a 実行後\n"); System.out.print("a="+a+"\n"); System.out.print("b="+b+"\n"); b*=a; System.out.print("\nb*=a 実行後\n"); System.out.print("a="+a+"\n"); System.out.print("b="+b+"\n"); b-=a; System.out.print("\nb−=a 実行後\n"); System.out.print("a="+a+"\n"); System.out.print("b="+b+"\n"); b/=a; System.out.print("\nb/=a 実行後\n"); System.out.print("a="+a+"\n"); System.out.print("b="+b+"\n"); b%=a; System.out.print("\nb%=a 実行後\n"); System.out.print("a="+a+"\n"); System.out.print("b="+b+"\n"); } }