<pre>btnclick.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
String value=edtvalue.getText().toString();
Integer marks = Integer.parseInt(value);
if (marks < 300)
{
tv.setText("you are Fail");
} else
{
tv.setText("you are Pass");
}
Thanks you sir for reply. Its working good now.