Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/552#discussion_r12353063
--- Diff: examples/src/main/java/org/apache/spark/examples/JavaTC.java ---
@@ -61,14 +62,9 @@
}
public static void main(String[] args) {
- if (args.length == 0) {
- System.err.println("Usage: JavaTC <host> [<slices>]");
- System.exit(1);
- }
-
- JavaSparkContext sc = new JavaSparkContext(args[0], "JavaTC",
- System.getenv("SPARK_HOME"),
JavaSparkContext.jarOfClass(JavaTC.class));
- Integer slices = (args.length > 1) ? Integer.parseInt(args[1]): 2;
+ SparkConf sparkConf = new
org.apache.spark.SparkConf().setAppName("JavaHdfsLR");
+ JavaSparkContext sc = new JavaSparkContext(sparkConf);
+ Integer slices = (args.length > 0) ? Integer.parseInt(args[0]): 2;
--- End diff --
Yeah, in scala we have no space before colon, but this is a common pattern
in Java (e.g. `bool ? 1 : 2` is short-hand for `if (bool) { 1 } else { 2 }`).
We do this elsewhere in other examples, actually.
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