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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. class Binfo{
  8. 	double v, dv, rad, drad, r;
  9. 	Binfo(double v, double dv, double rad, double drad,double r){
  10. 		this.v=v;
  11. 		this.dv=dv;
  12. 		this.rad=rad;
  13. 		this.drad=drad;
  14. 		this.r=r;
  15. 	}
  16. }
  17.  
  18. class Ideone
  19. {
  20. 	public static void main (String[] args) throws java.lang.Exception
  21. 	{
  22. 		ArrayList<Group> GroupList = new ArrayList<Group>();
  23. 		Binfo Bi = new Binfo((double)2,(double)1,0,(double)0.001,(double)0);
  24. 		GroupList.add(new GroupTest(Bi,10,10,8));
  25. 	}
  26. }
  27.  
  28. class Group{
  29. 	ArrayList<Bullet> BulletList= new ArrayList<Bullet>();
  30. 	Binfo Bi;
  31.  
  32. }
  33. class GroupTest extends Group{
  34.  
  35. 	GroupTest(Binfo Bi,double bx,double by,int n){
  36.  
  37. 		super.Bi = Bi;
  38. 		Binfo Bitemp;
  39. 		int i;
  40.  
  41. 		for(i=0;i<n;i++){
  42. 			Bullet btemp;
  43. 			Bi.rad=((6.283184)/n)*i;
  44.  
  45. 			Bitemp = new Binfo(Bi.v,Bi.dv,Bi.rad,Bi.drad,Bi.r);
  46. 			btemp = new Bullet(Btemp,bx,by);
  47. 			this.BulletList.add(btemp);
  48. 			System.out.println("recently "+i+" "+this.BulletList.get(i).bBi.rad);
  49. 		}
  50.  
  51. 		//여기까지 들어가는건 잘 들어가거든요
  52.  
  53. 		System.out.println("---------------------");
  54. 		//근데 여길 지나친다음에
  55.  
  56. 		for(i=0;i<n;i++){
  57. 			System.out.println("loaded "+i+" "+this.BulletList.get(i).bBi.rad);
  58. 		}
  59.  
  60. 		//출력하면 값이 통일되버림. 왜이러는거죠..
  61.  
  62.  
  63. 	}
  64. }
  65.  
  66. class Bullet{
  67. 	Binfo bBi;
  68. 	Binfo bBi_pure;
  69. 	double x,y;
  70. 	int count;
  71.  
  72. 	Bullet(Binfo GBi,double bx,double by){
  73. 		System.out.println("called "+GBi.rad);
  74. 		this.bBi=GBi;
  75. 		this.bBi_pure=GBi;
  76. 		this.x=bx;
  77. 		this.y=by;
  78. 		System.out.println("in "+this.bBi.rad);
  79. 	}
  80.  
  81. 	/*public void Action(){
  82. 		this.x = this.x + this.Bi.v*Math.cos((double)this.Bi.rad);
  83. 		this.y = this.y + this.Bi.v*Math.sin((double)this.Bi.rad);
  84. 		this.Bi.rad += this.Bi.drad;
  85. 		if(this.Bi.rad>6.283184) this.Bi.rad-=6.283184;
  86. 	}
  87.  
  88. 	public boolean OutRange(){
  89. 		if( this.x<0 || this.x>500 || this.y<0 || this.y>800) return true;
  90. 		else return false;
  91. 	}
  92.  
  93. 	public boolean Crash(double px,double py){
  94. 		//do something;
  95. 		return true;
  96. 	}*/
  97.  
  98. }
Compilation error #stdin compilation error #stdout 0.08s 380160KB
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stdin
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Standard input is empty
compilation info 
Main.java:46: error: cannot find symbol
			btemp = new Bullet(Btemp,bx,by);
			                   ^
  symbol:   variable Btemp
  location: class GroupTest
1 error
stdout
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Standard output is empty
https://ideone.com/gT2Y5J
language:
Java (HotSpot 12)
created:
12 years ago
visibility:
secret

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