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Normal import declaration imports classes from packages, allowing them to be used without package qualification
引入某個包中的類诗力。例如import java.lang.System
Static import declaration imports static members from classes, allowing them to be used without class qualification.
引入某個類中的靜態(tài)變量糠聪。
例如:
import static java.lang.System.*;
public class ImportStatic_Test {
public static void main(String[] args) throws Exception {
out.println("Hello");
}
}