6784816: Remove AWT tree lock from Container methods: getComponent, getComponents, getComponentCount
Reviewed-by: anthony, dav
//this is the first line of Test7.js
var filename;
importPackage(java.io);
importPackage(java);
var f = new File(filename);
var r = new BufferedReader(new InputStreamReader(new FileInputStream(f)));
var firstLine = r.readLine() + '';
print(firstLine);