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Java code:

public class Dept implements java.io.Serializable {
// Fields
private Long deptno;
private String dname;
private String loc;
private Set emps = new HashSet(0);
// Constructors
/** default constructor */
private Dept() {
}
/** full cons ......

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Java code:

class Letter{
char c;
}
public class PassObject{
static void f(Letter y){
y.c='z';
}
public static void main (String[] args){
Letter x = new Letter();
x.c='a';
System.out.println(x.c);
f(x);
System.out.println(x.c);
}
}


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java out of memoryException :java heap space

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