private double t=0.0,ts=0.0;
private double px[][]=new double[999][999];
private double py[][]=new double[999][999];
private int i=0,j=0,k,x,y,sum=0;
private Button button_Caste,button_Clear,button_OK;
private int flag1=0,flag2=0,flag3=0;
private Dialog dialog;
private Label label_dialog,label;
private TextField text;
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