多项选择题
A.For non-negative values of the left operand， the >> and >>> operators will have the same effect.
B.The result of （-1 >> 1） is 0.
C.The result of （-1 >>> 1） is -1.
D.The value returned by >>> will never be negative as long as the value of the right operand is equal to or greater than 1.
E.When using the >> operator， the leftmost bit of the bit representation of the resulting value will always be the same bit value as the leftmost bit of the bit representation of the left operand.
多项选择题 Giventhefollowingclass，whichstatementscanbeinsertedatposition1withoutcausingthecodetofailcompilation？（） publicclassQ6db8{ inta； intb=0； staticintc； publicvoidm（）{ intd； inte=0； //Position1 } }
单项选择题 If this source code is contained in a file called SmallProg.java， what command should be used to compile it using the JDK？（） public class SmallProg { public static void main（String args[]） { System.out.println（"Good luck!"）； } }
单项选择题 HowdoobjectspassmessagesinJava？（）