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  1. import java.io.BufferedReader;
  2. import java.io.IOException;
  3. import java.io.InputStreamReader;
  4. import java.util.Stack;
  5. import java.util.regex.Pattern;
  6. class flag{
  7. 	boolean stcflag =false;
  8. 	boolean enflag = false;
  9. 	boolean popflag = false;
  10. 	boolean enflagyu = false;
  11. 	boolean miss = false;
  12. 	boolean m = false;
  13. 	Pattern p = Pattern.compile("^[-.0-9]+$");
  14.  
  15.  
  16. 	void syoki(){
  17. 		boolean stcflag =false;
  18. 		boolean enflag = false;
  19. 		boolean popflag = false;
  20. 		boolean enflagyu = false;
  21. 		boolean miss = false;
  22. 		boolean m = false;
  23. 	}
  24. 	int flagtest(String str){
  25.         m = Pattern.matches("^[-.0-9]+$",str);
  26. 		switch(str){
  27. 		case "+":
  28. 			enflag = true;
  29. 			break;
  30. 		case "-":
  31. 			enflag = true;
  32. 			break;
  33. 		case "*":
  34. 			enflagyu = true;
  35. 			break;
  36. 		case "/":
  37. 			enflagyu = true;
  38. 			break;
  39. 		case "=":
  40. 			popflag = true;
  41. 			break;
  42.  
  43. 		default:
  44. 			if(m){
  45. 				stcflag = true;
  46. 				break;
  47. 			}
  48. 			miss = true;
  49. 			//System.out.println("miss");
  50. 			break;
  51.  
  52. 		}
  53. 		if(stcflag){
  54. 			this.syoki();
  55. 			return(1);
  56. 		}
  57. 	if(popflag){
  58. 		this.syoki();
  59. 		return(3);
  60. 	}
  61. 	if(enflag){
  62. 		this.syoki();
  63. 		return(4);
  64.  
  65. 	}if(enflagyu){
  66. 		this.syoki();
  67. 	return(2);
  68. 	}else{
  69. 		this.syoki();
  70. 		return 0;
  71. 	}
  72.  
  73. 	}	
  74. }
  75.  
  76.  
  77. public class test03 {
  78.  
  79. 	int calc(String s,String s2,String en){
  80. 		int i = 0;
  81. 		int i2 = 0;
  82. 		i =Integer.valueOf(s);
  83. 		i2 = Integer.valueOf(s);
  84. 		switch(en){
  85. 		case"+":return(i+i2);
  86.  
  87. 		case"-":return(i-i2);
  88. 		case"*":return(i*i2);
  89. 		case"/":
  90. 	    if(i2 != 0)
  91. 	    	    return(i/i2);
  92. 	    else    return(0);
  93.  
  94. 		default:return(0);
  95. 		}
  96.  
  97. }
  98.  
  99. 	public static void main(String[] args) {
  100. int i = 0;
  101. String hu[] = new String[100];
  102. flag flag1 = new flag();
  103. Stack<String> stack = new Stack<String>();
  104. BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
  105. String str = null;
  106. try {
  107. 	//1 suuti 3 "=" 4 en 2 enflagyu 0 miss
  108. 	for(;;){
  109. 		//初期化
  110. 	str = br.readLine();
  111. 	System.out.println(flag1.flagtest(str));
  112.  
  113. 	//System.out.println(str);
  114. 	if(flag1.flagtest(str) == 0)
  115. 	System.out.println("");
  116. 	if(flag1.flagtest(str) == 1){
  117. 	System.out.println(str);
  118. 	hu[i] = str;
  119. 	i++;
  120. 	}
  121. 	//stack.push(str);
  122. 	if(flag1.flagtest(str)== 3){
  123. 	;//mitei
  124. 	}
  125. 	if(flag1.flagtest(str) %2 == 0){
  126. 		if(stack.empty())continue;
  127. 		if(stack.peek()== "*" || stack.peek() == "/"){
  128. 		//	System.out.println(stack.pop());
  129. 	stack.push(str);
  130. 		}else stack.push(str);
  131. 	}
  132.     }
  133.  
  134. } catch (IOException e) {
  135. 	// TODO 自動生成された catch ブロック
  136. 	e.printStackTrace();
  137. }
  138.  
  139.  
  140.  
  141. }	
  142.  
  143. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
Main.java:77: error: class test03 is public, should be declared in a file named test03.java
public class test03 {
       ^
1 error
stdout
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Standard output is empty
https://ideone.com/2bMhUC
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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