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What is displayed after executing the following code: public static boolean isEmpty( String testStr ){ System.out.println(isEmpty(+testStr+)); return testStr.length() == 0; } public static void main
What is displayed after executing the following code:
public static boolean isEmpty( String testStr ){ System.out.println("isEmpty("+testStr+")"); return testStr.length() == 0; } public static void main (String[] args) { String str = null; if( str != null && isEmpty( str ) ){ System.out.println("str is empty"); } }
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