can we run java program in phone

Answer 1

for phones like simple phone, no. some of them are chiped with a subset of java virtual machine (MIDP). so if you want your program run on them, you have to adapt its code to follow J2ME standard

Answer 2

Yes

Answer 3

yup you can they have built compiler for u

Answer 4

my phone is redmi,2prime
so can i run in this

Answer 5

@pankush your device is an Android device. Android app are written in java language. so you have to follow Android way of writting app. if you want to run old MIDP/JAR app you have to installation an emulator see http://w3epic.com/run-java-apps-j2me-on-android-devices-guide/