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Fix FileReader and BufferedReader are not closed in final clause #2226

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Expand Up @@ -48,16 +48,17 @@ public static void main(String[] args) {
+ " invalid.");
return;
}
FileReader fr = new FileReader(file);
BufferedReader br = new BufferedReader(fr);
String contextIDStr = null;
StringBuilder builder = new StringBuilder("");
java.lang.String tmp = br.readLine();
while (null != tmp) {
builder.append(tmp);
tmp = br.readLine();

String contextIDStr;
StringBuilder builder = new StringBuilder();
try (FileReader fr = new FileReader(file);
BufferedReader br = new BufferedReader(fr)) {
java.lang.String tmp = br.readLine();
while (null != tmp) {
builder.append(tmp);
tmp = br.readLine();
}
}
br.close();
contextIDStr = builder.toString();
System.out.println("Read contextID : " + contextIDStr);

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