Qtr No. 213, New Town Yehlanka Indore 454775
Which of the following are valid Functional Interfaces?(Choose any 3)
@FunctionalInterface
interface Assign {
double assess(int id, double percentage);
}
@FunctionalInterface
interface Assign {
double assess(int id, double percentage);
default double computeGrade(double cost) {
//implementation of computeGrade
}}
@FunctionalInterface
interface Assign {
double assess(int id, double percentage);
default double computeGrade(double cost) {
//implementation of computeGrade
}
static void display() {
//implementation of display
}
}
@FunctionalInterface
interface Assign {
double assess(int id, double percentage);
default double computeGrade(double cost) {
//implementation of computeGrade
}
static void display() {
//implementation of display
}
public String toString()
{
//Implementation of toString() method
}
}
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Qtr No. 213, New Town Yehlanka Indore 454775
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