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  1. import java.util.*;
  2.  
  3. class mymath {
  4. 	long a;
  5. 	long b;
  6.  
  7. 	long add() {
  8. 		System.out.print("instance");
  9. 		return a + b;
  10. 	}
  11.  
  12. 	long sub() {
  13. 		System.out.println("instance");
  14. 		return a - b;
  15. 	}
  16.  
  17. 	long mul() {
  18. 		System.out.println("instance");
  19. 		return a * b;
  20. 	}
  21.  
  22. 	long div() {
  23. 		System.out.println("instance");
  24. 		return a / b;
  25. 	} // 그냥 메소드
  26.  
  27. 	static long add(long a, long b) {
  28. 		return a + b;
  29. 	}
  30.  
  31. 	static long sub(long a, long b) {
  32. 		return a - b;
  33. 	}
  34.  
  35. 	static long mul(long a, long b) {
  36. 		return a * b;
  37. 	}
  38.  
  39. 	static long div(long a, long b) {
  40. 		return a / b;
  41. 	}
  42. }
  43.  
  44. public class static_method {
  45. 	public static void main(String[] args) {
  46. 		System.out.println(mymath.add(20L, 30L));
  47. 		mymath start = new mymath();
  48. 		start.a = 100L;
  49. 		start.b = 200L;
  50. 		System.out.println(start.add());
  51. 	}
  52.  
  53. }
  54.  
  55. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
Main.java:55: error: class, interface, or enum expected
}
^
1 error
stdout
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Standard output is empty
https://ideone.com/EFiKTc
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
public

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