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  1.  
  2. import java.io.*; 
  3. public class wareki_seireki {
  4.  
  5. 	public static void main(String args[])
  6.     {
  7.             int x_nen, y_tuki, z_hi, r_all;
  8.  
  9.             System.out.print("input integer: ");
  10.  
  11.             InputStreamReader isr = new InputStreamReader(System.in);
  12.             BufferedReader br = new BufferedReader(isr);
  13.  
  14.             try{
  15.  
  16.             	String buf = br.readLine(); 
  17.             	String nen = buf.substring(0,4);
  18.             	String tuki = buf.substring(4,6);
  19.             	String hi = buf.substring(6,8);
  20.             	String all = buf.substring(0,8);
  21.  
  22.             	x_nen = Integer.parseInt(nen); 
  23.             	y_tuki = Integer.parseInt(tuki); 
  24.             	z_hi = Integer.parseInt(hi); 
  25.             	r_all = Integer.parseInt(all);
  26.  
  27.             }catch(Exception e){ 
  28.  
  29.                     x_nen = 0;
  30.                     y_tuki=0;
  31.                     z_hi=0;
  32.                     r_all = 0;
  33.             }
  34.  
  35.  
  36.             if(18691023<=r_all && 19120729>=r_all  && 01<=y_tuki && 13>y_tuki && 01<=z_hi && 32>z_hi) {
  37.         		int meiji=x_nen-1868;
  38.         		System.out.println(("明治")+meiji+("年")+y_tuki+("月")+(++z_hi)+("日"));	
  39.            }
  40.  
  41.         	if(19120730<=r_all && 19261224>=r_all  && 01<=y_tuki && 13>y_tuki && 01<=z_hi && 32>z_hi) {
  42.         		int taisyo=x_nen-1911;
  43.         		System.out.println(("大正")+taisyo+("年")+y_tuki+("月")+z_hi+("日"));	
  44.         	}
  45.  
  46.         	if(19261225<=r_all && 19890107>=r_all  && 01<=y_tuki && 13>y_tuki && 01<=z_hi && 32>z_hi) {
  47.         		int syowa=x_nen-1925;
  48.         		System.out.println(("昭和")+syowa+("年")+y_tuki+("月")+z_hi+("日"));	
  49.         	}
  50.  
  51.         	if(19890108<=r_all && 20121231>=r_all  && 01<=y_tuki && 13>y_tuki && 01<=z_hi && 32>z_hi) {
  52.         		int heisei=x_nen-1988;
  53.         		System.out.println(("平成")+heisei+("年")+y_tuki+("月")+z_hi+("日"));	
  54.         	}
  55.  
  56.  
  57.     }
  58.  
  59.     }
  60.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
Main.java:3: class wareki_seireki is public, should be declared in a file named wareki_seireki.java
public class wareki_seireki {
       ^
1 error
stdout
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Standard output is empty
https://ideone.com/lDDNs
language:
Java (HotSpot 12)
created:
12 years ago
visibility:
public

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