Remove concatenation with empty string
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@ -136,7 +136,7 @@ public abstract class MultithreadEventExecutorGroup implements EventExecutorGrou
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DefaultThreadFactory() {
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String typeName = MultithreadEventExecutorGroup.this.getClass().getSimpleName();
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typeName = "" + Character.toLowerCase(typeName.charAt(0)) + typeName.substring(1);
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typeName = Character.toLowerCase(typeName.charAt(0)) + typeName.substring(1);
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prefix = typeName + '-' + poolId.incrementAndGet() + '-';
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}
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