class super { public int getLength() {return 4;} } public class Sub extends Super { public long getLength() {return 5;} public static void main (String[]args) { super sooper = new Super (); Sub sub = new Sub(); System.out.printIn( sooper.getLength()+ “,” + sub.getLength() }; } What is the output?() [" 4, 4"," 4, 5"," 5, 4"," 5, 5"," The code will not compile."]
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直方图正态化