多项选择题
A. add public to the start of line 4 in Salmon.java
B. add public to the start of line 4 in GrizzlyBear.java
C. add import animals.mammals.*； at line 2 in Salmon.java
D. add import animals.fish.*； at line 2 in GrizzlyBear.java
E. add import animals.fish.Salmon.*； at line 2 in GrizzlyBear.java
F. add import animals.mammals.GrizzlyBear.*；at line 2 in Salmon.java
单项选择题 Given classes defined in two different files： 1. package util； 2. public class BitUtils { 3. private static void process（byte[] b） { } 4. } 1. package app； 2. public class SomeApp { 3. public static void main（String[] args） { 4. byte[] bytes = new byte[256]； 5. // insert code here 6. } 7. } What is required at line 5 in class SomeApp to use the process method of BitUtils？（）
单项选择题 Given classes defined in two different files： 1. package util； 2. public class BitUtils { 3. private static void process（byte[] b） { } 4. } 1. package app； 2. public class SomeApp { 3. public static void main（String[] args） { 4. byte[] bytes = new byte[256]； 5. // insert code here 6. } 7. } What is required at line 5 in class SomeApp to use the process method of BitUtils？（）
单项选择题 Given classes defined in two different files： 1. package util； 2. public class BitUtils { 3. public static void process（byte[]） { /* more code here */ } 4. } 1. package app； 2. public class SomeApp { 3. public static void main（String[] args） { 4. byte[] bytes = new byte[256]； 5. // insert code here 6. } 7. } What is required at line 5 in class SomeApp to use the process method of BitUtils？（）