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FileInputStream fis = null;
FileOutputStream fos = null;
byte[] buffer = new byte[100];
int temp = 0;
try{
fis = new FileInputStream("a");
fos = new FileOutputStream("b");
while(true){
temp = fis.read(buffer,0,buffer.length);
if(temp == -1){
break;
}
fos.write(buffer,0,temp);
}
}
catch(Exception e){
System.out.println(e);
}
finally{
try{
fis.close();
fos.close();
}
catch(Exception e2){
System.out.println(e2);
}
}