java: command not found

[钱磊]

bash
Deploying to the Embedded Target
Executing Command :mkdir -p /home/pi/IdeaProjects/pi_playGround
Executing Command :cd /home/pi/IdeaProjects/pi_playGround
Executing Command :mkdir -p classes
Executing Command :mkdir -p lib
Executing Command :cd /home/pi/IdeaProjects/pi_playGround/classes
Executing Command :rm -rf *
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Finished Deploying Java Application On The Embedded Target Device.

You're Building on Embedded Linux <<<<<<<<

Executing Command :sudo kill -9 $(ps -efww | grep "Main"| grep -v grep | tr -s " "| cut -d" " -f2)
Executing Command :cd /home/pi/IdeaProjects/pi_playGround
Executing Command :tar -xvf pi_playGround.tar
Executing Command :rm .tar
Executing Command :sudo java -Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=1234 -cp classes:lib/'' Main

Usage:
kill [options] [...]

Options:
[...] send signal to every listed
-, -s, --signal
specify the to be sent
-l, --list=[] list all signal names, or convert one to a name
-L, --table list all signal names in a nice table

-h, --help display this help and exit
-V, --version output version information and exit

For more details see kill(1).

classes/Main.class
lib/pi4j-core-1.2.jar

sudo: java: command not found

Process finished with exit code 1